GB2618639A - Masonry support element and/or attachment mechanism - Google Patents

Abstract

There is disclosed a cavity tray comprising a first sheet comprising a plurality of edges; at a first edge there is a first aperture opening onto the edge and extending from it towards the interior of the sheet; at the end of the first aperture is a bar or strip of material such that a first side of the bar is adjacent the first aperture and adjacent a second opposing side of the bar is a second aperture, wherein the second aperture is entirely surrounded by material of the sheet. The apertures engage hanging formations of a cavity tray bracket.

Description

Masonry Support Element and/or Attachment Mechanism Field of Invention The present invention is in the field of masonry support elements, and/or attachment mechanisms. Modern building techniques utilise an internal building structure to which a masonry facade is attached. Masonry support elements may be used to transfer the load of the masonry facade to the internal building structure. The present invention may relate to arrangements that allow the mass of the masonry support element to be reduced. Further the invention relates to attachment mechanisms that may be used in any application, but that may be particularly suit to attaching a cavity tray to a masonry support element/bracket.

Background

Modern building techniques utilise an internal building structure to which a masonry facade is attached. There is often a gap between the internal building structure and the masonry facade. Masonry support elements may be used to transfer the load of the masonry facade to the internal building structure. The masonry support elements may also sit within the gap (known as a cavity) between the masonry facade and the internal building structure.

There is also a need in some implementations for the masonry support elements to provide secondary functionality, such as collecting any moisture running down the internal building structure, and aiding in the prevention of fire.

Currently masonry support elements are bulky and heavy items that can be difficult to install. Therefore, a problem to be addressed includes reducing the mass of the masonry support element, and making installation simpler.

There are many forms of attachment mechanism between two objects. For example, adhesives, mechanical attachment, and other such techniques may be used. There is a need to provide a simple to use, mechanical attachment. In particular, this may be useful in the installation of a masonry support element.

Summary of Invention

Aspects of the invention are set out in the independent claims. Optional features are set out in the dependent claims.

In accordance with a first aspect there is described a masonry support element configured to sit in a cavity between an internal building structure and a facade, and to transfer the load of the facade to the internal building structure, the masonry support element comprising: a masonry support bracket; a masonry support angle; a cavity tray; wherein the masonry support angle is configured to extend into the facade, and to take the load of the facade and transfer this load to the masonry support bracket; wherein the masonry support bracket is configured to be attached to the internal building structure, and is configured to transfer the load from the masonry support angle to the internal building structure; wherein the masonry support bracket comprises a first column configured to lie parallel with the internal building structure, and at least one arm extending perpendicular to the column away from the internal building structure and towards the facade, wherein the masonry support angle is attached to the masonry support bracket; wherein the cavity tray is configured to overlie the at least one arm of the masonry support bracket; wherein the cavity tray is configured to collect moisture within the cavity, and to provide an alternative path for said water to take across the cavity tray; wherein the cavity tray sits above the masonry support angle such that water passing across the cavity tray drops down onto the masonry support angle. The cavity tray sitting above the masonry support angle may be advantageous. This may allow the masonry support angle to function as a second cavity tray to direct the water out of the cavity. This may reduce the overall mass of the masonry support element (as well as increasing the efficiency of removing moisture), and therefore make the element simpler to manufacture, fit and transport. This may also help reduce load on the internal building structure.

It is also noted that the cavity tray of the first aspect may be optional in some embodiments in which the movement of water is not required. For example, the masonry support element may comprise the masonry support bracket and the masonry support angle as described below without the cavity tray.

Optionally, further comprising a second column attached to the other end of the at least one arm, wherein the second column is perpendicular to the first column and is angled relative to the at least one arm. The second column may offer structural support to the at least one arm.

Optionally, angled to comprises the arm extending from the first column towards the façade, and the second column extending from the first arm downwards, approximately parallel to the façade. This may provide particularly efficient structural support.

Optionally, the arm is a sheet, and is in a two dimensional plane, and wherein the second column is in the same two-dimensional plane. This may provide particularly efficient structural support. This may be because being in the same plane as the at least on arm means load can be transferred directly through the at least one arm and the second column. This dimensional plane may be perpendicular to the load that is being transferred from the masonry façade, and so the strength in the two-dimensional plane of the second column and at least one arm is high, despite the mass of the second column and at least one arm being relatively low. It is strength in this plane, perpendicular to the load, that allows it to be transferred to the internal building structure.

Optionally, wherein the masonry support angle being attached to the masonry support bracket comprises the masonry support angle being attached to the second column of the masonry support bracket. This may allow the masonry support angle to abut the second column and therefore make manufacture less complex as many simple joins may be used between the two elements.

Optionally, the at least one arm comprises two arms extending from the first column, such that the proximal end of the arms are attached to the first column. The use of two arms may increase the strength of the masonry support bracket, whilst minimising the mass of the masonry support bracket. This is especially the case where the arms are in the same two-dimensional plane.

Optionally, the distal ends of both the first arm and the second arm are attached to the second column. This may increase the strength of the masonry support bracket, especially in the two dimensional plane.

Optionally, there is a void between the first and second arms. This may enable the mass of the masonry support bracket to be reduced.

Optionally, the first arm emanates from the top of the first column, and the second arm emanates from the bottom of the first column. This arrangement may increase the length of the column taking load, and therefore the strength of the bracket may be increased.

Optionally, the masonry support bracket comprises a second pair of arms, the third arm and fourth arm, that extend from the first column. This may further increase the strength of the masonry support bracket.

Optionally, wherein the third arm and fourth arm are parallel to the first arm and second arm. Further optionally the third and fourth arms may be offset from the first and second arms. The parallel relationship enables the load to be born symmetrically and reduce risk of failure over time.

Optionally, wherein the third arm and fourth arm are both joined to a third column. The third column may offer structural support to the at third and fourth arms.

Optionally, the third column is perpendicular the first column, and is parallel to the second column.

Optionally, the third column is angled relative to the third arm and the fourth arm, wherein the third and fourth arm extend from the first column towards the façade, and wherein the third column extends downwardly approximately parallel the façade.

This may offer structural support to the masonry bracket.

Optionally, the arm is a sheet, and is in a two dimensional plane, and wherein the third column is in the same two-dimensional plane. This may allow the two dimensional plane to have a great deal of strength. Moreover, in the case where the first and second arms are parallel with the third and fourth arms the two two-dimensional planes are parallel and therefore together may be able to take a significant amount of load, despite the relative low mass of the masonry support bracket.

Optionally, there is a void between the third arm and the fourth arm. This may reduce the mass of the masonry support bracket.

Optionally, the first column comprises a sheet of material, preferably metal, preferably stainless steel. This may reduce the mass of the masonry support bracket, whilst maintaining strength.

Optionally, the at least one arm comprises a sheet of material, preferably metal, preferably stainless steel. This may reduce the mass of the masonry support bracket, whilst maintaining strength, at least in the two-dimensional plane, and the ability to take load from the facade.

Optionally, the top surface of the at least one arm comprises an indent. This may aid with the prevention of fire, whilst keeping the masonry support element simple to manufacture and assemble.

Optionally, a fire barrier or fire prevention material sits within the indent, such that the fire barrier is positioned between the at least one arm and the cavity tray. The fire barrier may therefore be securely attached without requiring further means of attachment such as adhesive etc. Optionally, a fire barrier is positioned between the cavity tray and the at least one arm. This may help prevent the spread of fire, especially between floors.

Optionally, a fire barrier is positioned atop the cavity tray. This may make assembly simple.

Optionally, wherein an intumescent rigid structure is positioned atop the cavity tray. This may allow for the masonry support element to be retrofitted with existing fire prevention materials.

Optionally, further comprising a wall tie attached to the masonry support bracket, optionally attached to the second column of the masonry support bracket. This offers a further point of attachment to the façade and helps reduce movement between the façade and the support element.

Optionally, the wall tie is attached to a slot within the masonry support bracket, allowing the height of the wall tie to be adjusted. This reduces the complexity of assembly/construction.

Optionally, the cavity tray comprises a metal sheet, preferably of a thickness of up to 2mm, preferably wherein the thickness is 0.5mm. This may reduce mass of the masonry support element.

Optionally, the cavity tray is angled relative to the horizontal, preferably wherein the angle is between 3 and 10 degrees, and preferably wherein the angle is 5 degrees. This may aid the passage of water along the cavity tray.

Optionally, wherein the cavity tray further comprises a second angled section at a greater angle to the horizontal than the rest of the cavity tray, wherein the second angled section is positioned adjacent the first column, optionally wherein the greater angle is 50 degrees from horizontal. This may aid with attachment of the cavity tray to the masonry support bracket as it is simpler for the two to be married in this position.

Optionally, the second angled portion comprises the attachment point to attach the cavity tray to the masonry support bracket.

Optionally, the cavity tray extends to overlie at least a portion of the first column of the masonry support bracket. This may enable the cavity to intercept any moisture travelling down the internal building structure.

Optionally, the cavity tray overhangs the end of the at least one arm, and the second column. This may be highly advantageous as this allows moisture to drop from the cavity tray to an intended location. This may reduce the mass of the cavity tray as it need not extend further.

Optionally, at the end of the overhang of the cavity tray the cavity tray comprises a lip. This may direct the falling moisture droplets to the intended position.

Optionally, the lip extends downwards, optionally vertically down parallel to the internal building structure. This may guide the moisture droplets directly downwards.

Optionally, the cavity tray is attached to the masonry support bracket by one of a mechanical join, an adhesive join or a welded join.

Optionally, the cavity tray is attached to the masonry support bracket by an attachment element as set out in the fourth aspect.

Optionally, the masonry support angle comprises an upstanding element such that the upstanding is attached to the at least one arm and/or second column of the masonry support bracket. This may provide strength, and may prevent splash from the masonry support angle going back into the cavity.

Optionally, wherein the upstanding element extends at least 50mm from the horizontal plane of the portion of the masonry support angle that extends into the facade, further optionally wherein this extension is at least 100mm. The 50mm length may provide sufficient strengthening (and 70mm, or 90mm may provide further strengthening), whilst the 100mm length may ensure regulatory compliance. 50mm may be advantageous as it may reduce the mass of the masonry support.

Optionally, the upstanding element is perpendicular to the portion of the masonry support angle configured to extend into the facade. This may strengthen the masonry support angle.

Optionally, the upstanding comprises a cut-out at the top edge of the upstanding, wherein the cut-out is positioned in line with the central void of the first column. It is noted that this may be highly advantageous, and may be advantageous separately to the features of the first aspect (that is this feature may offer further advantages to the system of the first aspect, or may on its own offer an advantageous feature). This may allow access to the lower section of the central void of the first column, and so may allow further bolts or other attachments to be inserted into this void, that otherwise would be difficult to reach. This therefore improves the efficiency of assembly on a construction site.

Optionally, further comprising a cover to cover the cut-out of the upstanding when installed. This may ensure the upstanding reaches a pre-set level, for example to comply with regulatory guidance/guidelines.

Optionally, a primary attachment between the masonry support bracket and the internal building structure, and optionally the internal building structure is positioned at the top of the first column. This may ensure that the connection between the masonry support bracket and the internal building structure is strong, and may prevent rotation and the like.

Optionally, the first column comprises a central void. This may reduce the mass of the masonry support bracket.

Optionally, wherein the primary attachment is through the central void of the first column, optionally at the top of the central void. This may provide a centralised (width-wise) connection to ensure even distribution of load.

Optionally, wherein at the top comprises within 45mm of the top of the central void.

This may provide a secure and stable connection that is simple to fit in construction.

Optionally, further comprising a secondary attachment between the masonry support bracket and the internal building structure. This may further secure the masonry support bracket.

Optionally, the secondary attachment is through the central void of the first column. This may distribute the load evenly.

Optionally, wherein the secondary attachment is within 75mm of the primary attachment. This may make the attachment particularly strong, and may be simple to fit.

Optionally, the secondary attachment is positioned at the bottom of the first column. Optionally, at the bottom of the central void, optionally wherein at the bottom comprises within 45mm of the bottom of the central void.

Optionally, one or both of the primary and secondary attachments are in the form of a bolt into the internal building structure.

Optionally, a side of the cavity tray, parallel to the at least one arm, comprises a lip, optionally wherein both sides parallel to the at least one arm comprise a lip. This may prevent water from passing off of the side of the tray, and may help channel the water over the overhang of the cavity tray.

Optionally, the lip rises from the cavity tray to prevent water from passing to the side and off of the cavity tray.

Optionally, the at least one arm, or the second column, comprises a slot into which the upstanding of the masonry support angle is positioned. This may allow the masonry support angle and the masonry support bracket to be mechanically joined, and may reduce the mass of the masonry support element.

Optionally, the first column comprises a notch, such that there is an offset from a first portion of the column to a second portion. This may allow the masonry support element to sit flush against an internal building structure comprising a notch.

Optionally, each masonry support bracket comprises a pair of brackets attached to a single masonry support angle. This may mean that a single masonry support angle is attached to two masonry support brackets. This may increase the strength of the masonry support element, and may reduce the time taking during construction to fit a plurality of masonry support elements.

Optionally, each of the masonry support brackets are positioned angled to one another, optionally perpendicular to one another. This may allow a masonry support angle to extend around a corner.

Optionally, the masonry support angle comprises a first section and a second section are angled to one another, optionally perpendicular to one another. This may allow a masonry support angle to extend around a corner.

Optionally, the cavity tray comprises a first and second section angled to one another, optionally perpendicular to one another. This may allow a masonry support angle to extend around a corner.

Optionally, the masonry support element is configured to attach as a single unit around an external/internal corner of the internal building structure.

In accordance with a second aspect there is described a method of installing the masonry support element of the first aspect, the method comprising the steps of: positioning a first masonry support bracket and angle at an intended position adjacent the internal building structure; positioning a second masonry support bracket and angle adjacent the position of the first masonry support element, and adjacent the internal building structure; attaching both the first masonry support bracket and angle and the second masonry support bracket and angle to the internal building structure; positioning a first cavity tray over the at least one arm of the first masonry support bracket; attaching the first cavity tray to the first masonry support bracket. This method may allow an efficient method for installing the masonry support angle within a cavity. This may therefore take less time and resources during the construction process.

Optionally, further comprising positioning a first infill cavity tray over a portion of the first masonry support angle and a portion of the second masonry support angle, attaching the first infill cavity tray to the first masonry support angle and the second masonry support angle. This may aid with the direction of water on the masonry support angle.

Optionally, the first cavity tray extends over at least a portion of the second masonry support bracket. This may make it simple to install multiple masonry support elements together, particularly around corners.

Optionally, further comprising positioning a second cavity tray extending over at least a portion of the second masonry support bracket.

Optionally, further comprising attaching the second cavity tray to the second masonry support bracket. This may prohibit moisture from following an unwanted path.

Optionally, positioning the first masonry support bracket and angle comprises positioning the first masonry support bracket and angle one side of an external/internal corner of the building structure, wherein positioning the second masonry support bracket and angle comprises positioning the second masonry support bracket and angle the other side of the external/internal corner of the building structure to the first masonry support bracket and angle. This may allow a simple and effective technique to be used such that a corner may be navigated through the use of straight masonry support elements alone. This may make manufacture and tooling of the manufacture facility considerably more efficient.

Optionally, positioning the first cavity tray over the at least one arm of the masonry support bracket comprises the cavity tray extending around the external/internal corner of the internal building structure. This may make it simpler to join the two masonry support brackets together.

Optionally, positioning a first infill cavity tray comprises positioning the infill cavity tray over the external/internal corner of the internal building structure. This may prohibit ingress of water at the corner point.

Optionally, attaching the first masonry support bracket to the internal building structure comprises securing a first bolt through a central void in the first column of the masonry support bracket, and said bolt attaching to the internal building structure. This may provide a secure connection and ensure load is transferred to the internal building structure.

Optionally, the first bolt is positioned at the top of the central void. This may help distribute the load evenly.

Optionally, securing further comprises securing a second bolt through the central void in the first column of the masonry support bracket, and said second bolt attaching to the internal building structure. This may provide an improved attachment that is more secure.

Optionally, attaching the second bolt comprises providing leverage through a cut-out in the first masonry support angle, wherein the cut-out is aligned with the central void of the first column of the masonry support bracket. This may allow the secondary attachment to be situated at a preferred position that may otherwise be inaccessible to the worker assembling and installing the masonry support element.

Optionally, further comprising attaching a cover to cover the cut-out after the second bolt is attached. This may allow the upstanding to be in line with UK guidelines.

In accordance with a third aspect there is described a building comprising: an internal building structure; a masonry facade; a masonry support element as recited in the first aspect; wherein the masonry support element is connected between the masonry façade and the internal building structure. This building may transfer the load from the masonry façade to the building structure, and may have improved moisture management within the cavity between the façade and the internal building structure. In some embodiments fire management may also be improved.

Optionally, further comprising weep vents positioned at the end of the masonry support angle such that water is expelled from the building via the weep vents. This may allow water flowing onto the masonry support angle to pass through the weep vents and be expelled from the cavity of the building.

In accordance with a fourth aspect there is described an attachment element configured to attach to a secondary element, the attachment element comprising: a proximal arm; a distal arm; a channel between the proximal arm and the distal arm; the channel leading to a first recess positioned below the proximal arm and a second recess positioned below the distal arm; and a tooth positioned within the second recess. This is highly advantageous as the channel, first recess, second recess, and tooth together form a path for a bar of the secondary element to take when the secondary element is being attached to the attachment means. This path enables ease of attachment for a user -whilst ensuring the secondary element is securely attached to the attachment means.

Optionally, the attachment element is positioned on a masonry support element, such as a masonry support bracket, and is configured to attach to a building structure. It is advantageous to provide the attachment means on a masonry support element such as a masonry support bracket. Where the secondary element is a cavity tray the attachment means may provide a quick and easy to use means of attachment. This reduces time installing the masonry support element and the cavity tray, and therefore improves the efficiency of the building process.

Optionally, the proximal arm is located on the masonry support element. This may make manufacture and installation simpler and require less assembly.

Optionally, the distal arm is located on the masonry support element. This may make manufacture and installation simpler and require less assembly.

Optionally, the second recess is divided by the tooth into a first passage adjacent the channel and the anterior of the tooth, and a second passage adjacent the posterior of the tooth. This is highly advantageous as the second passage can be used as the end point of the path of a bar for attachment of a secondary element. This secures the bar effectively, and makes it highly unlikely for the bar to slip out of the attachment means.

Optionally, the anterior side of the tooth is angled relative to the underside of the distal arm. This may allow a bar to pivot during the insertion to form a path that the bar cannot re-traverse without human intervention.

Optionally, the angle between the anterior side of the tooth and the distal arm is between 5 and 20 degrees, optionally wherein the angle is between 14 to 18 degrees, and further optionally wherein the angle is 16 degrees. This angular range, and this angle in particular have been found to optimise the amount of pivoting available, whilst reducing the use of material, and making the attachment secure.

Optionally, the arms of the attachment element are angled with respect to the vertical of the masonry support element. This may allow the bar to sit at an angle, which may conform with the shape of the secondary element, particularly if the secondary element is a cavity tray.

Optionally, wherein the proximal arm extends from a position above the distal arm. This may provide ease of access to the channel.

Optionally, the top side of the distal arm and the top side of the proximal arm are parallel. This may make moving the bar simpler, and reduce the risk of the bar unexpectedly catching a surface during attachment.

Optionally, wherein the top side of the distal arm is parallel to the bottom side of the distal arm. This allows the second recess to be shaped to provide an advantageous pathway for the secondary element.

Optionally, the bottom side of the proximal arm is angled with respect to the top side of the proximal arm. This may provide a second point at which to pivot the secondary element, and so may aid with attachment.

Optionally, the angle between the top side of the proximal arm and the bottom side of the proximal arm is between 5 and 20 degrees, optionally wherein the angle is between 14 to 18 degrees, and further optionally wherein the angle is 16 degrees. This angular range, and this angle in particular have been found to optimise the amount of pivoting available, whilst reducing the use of material, and making the attachment secure.

Optionally, the angle between the top side of the proximal arm and the bottom side of the proximal arm is the same as the angle between the anterior side of the tooth and the distal arm. This may improve the ease of attachment by making it simpler to slide a secondary element from the anterior side of the distal tooth to the bottom side of the proximal arm.

Optionally, the first recess and the second recess are joined to form a single cavity. Optionally, wherein the first recess and second recess share a base.

Optionally, wherein the base is parallel with the posterior side of the tooth. This may be advantageous as the void of the second passageway may be cuboid in shape -and therefore make the insertion of the bar of the secondary element simpler.

Optionally, the base is parallel with the top of the distal arm. This helps with creating the multiple stage pathway.

Optionally, the base is parallel with the top of the proximal arm.

Optionally, distance between the base and the underside of the proximal arm is less than the distance between the base and the underside of the distal arm. This may be highly advantageous as this may allow a bar resting on the top of the distal arm to slide through the channel and under the underside of the proximal arm.

Optionally, the distance between the base and the top of the proximal arm is less than the distance between the base and the underside of the distal arm. This may help the bar slide through the channel by sliding along the top of the distal arm and then under the proximal arm and in the first recess.

Optionally, the distal arm is shaped as an elongate bar in cross section.

Optionally, the secondary element comprises an attachment bar. This may advantageously fit into the pathway of the attachment element.

Optionally, the attachment bar forms part of a cavity tray. This may be advantageous for the construction of masonry support elements where a cavity tray attaches to a masonry bracket.

Optionally, the bar is flat, such that the length and width of the bar are greater than the depth of the bar, optionally wherein the depth of the bar is 0.5mm.

Optionally, either side of the bar is a void, and wherein the voids are at least a distance x in length, optionally where x is 8mm to 12mm, and further optionally wherein x is lOmm. This may advantageously make it simpler to manoeuvre the bar into place.

Optionally, the distance between the base and the top of the proximal arm is less than the distance between the base and the underside of the distal arm, and wherein the difference between these distances is equal to the depth of the bar optionally wherein equal includes an additional tolerance, for example of 0.1mm. This may advantageously allow the bar to slide into the first recess in a simple manner.

Optionally, the second passage has a depth equal to the depth of the bar, optionally wherein equal includes an additional tolerance, for example of 0.1mm. This may allow the second passage to engage with the bar in a friction fit to keep the bar in place.

Optionally, the width of the bar is greater than the width of the channel. This may allow the bar to enter by sliding, rather than by initially being angled and pivoting into a recess as per other solutions.

Optionally, the length of the distal arm is 0.5mm greater than the width of the bar. 10 This may make ease of attachment simpler.

Optionally, the length of the second passage is at least half the width of the bar. This may provide a particularly secure attachment.

Optionally, the length of the base to the entrance of the second passage is at least 0.5mm greater than the width of the bar. This may make attachment simpler.

Optionally, the distance between the end of the proximal arm and the tooth is at least half of the width of the bar. This may make progress of the bar through the pathway simple.

Optionally, the length of the top side of the distal arm is at least lmm smaller than x. This may make manoeuvring the cavity tray simpler.

Optionally, the length of tooth to the rear of the distal arm is at least lmm smaller than x. This may make manoeuvring the cavity tray simpler.

In accordance with a fifth aspect there is described a cavity tray comprising a first sheet comprising a plurality of edges; at a first edge there is a first void extending from the edge towards the interior of the sheet; at the end of the first void is a bar of material such that a first side of the bar is adjacent the first void; adjacent the second side of the bar is a second void, wherein the second void is entirely surrounded by material of the sheet. This may co-operate with the attachment element of the fourth aspect (in a plug-socket type arrangement). This may allow the cavity tray to be efficiently and securely fastened, therefore increasing the efficiency of building.

Optionally, the bar has a width of between 3mm and 7mm, preferably 5mm.

Optionally, the void extends between 8mm and 12mm into the interior of the cavity, preferably wherein it extends lOmm. The relative dimensions of the width to the void may be particularly preferable as this provides ease of use during installation.

Optionally, the second void extends away from the bar for a distance of at least 8mm to 12mm, optionally lOmm.

Optionally, the cavity tray further comprises: at the first edge, or an edge adjacent the first edge, a third void extending from the edge towards the interior of the sheet; at the end of the third void a second bar of material such that a first side of the second bar is adjacent the third void; adjacent the second side of the second bar a fourth void, wherein the fourth void is entirely surrounded by material of the sheet. Having two bars may be particularly advantageous. This may allow a single cavity tray to be attached to two attachment elements. This may allow the cavity tray two points of attachment to a single masonry support bracket/element, or a single point of attachment to two masonry support brackets/elements. This secures the cavity tray may securely, and may enable flexibility in construction.

In accordance with a sixth aspect there is described an assembly comprising the attachment element of the fourth aspect incorporated into a masonry support bracket, and a cavity tray of the fifth aspect. This combination may provide a particularly efficient means of forming a masonry support element within a cavity.

In accordance with a seventh aspect there is described a masonry support element comprising the attachment means of the first aspect.

Optionally, wherein the masonry support element is a masonry support bracket.

In accordance with an eight aspect there is described a method of attaching the attachment element of the first aspect, with a secondary element comprising an elongate flat bar, the method comprising: positioning the bar on the top of the proximal arm; sliding the bar into the first passage below and parallel the distal arm; pivoting the bar such that the base is parallel with the anterior side of the tooth; sliding the bar into the first recess below and parallel the proximal arm; pivoting the bar to be parallel with the base. This method may provide an efficient means for securing the elements together which therefore may improve the construction process as a whole.

Optionally, further comprising the step of sliding the bar into the second passage. 5 This may provide a more secure attachment.

Optionally, the secondary element comprises a cavity tray, the attachment element is attached to a masonry support element, and the method is a method of attaching a cavity tray to a masonry support element.

Optionally, the cavity tray is the cavity tray of the second aspect.

Brief Description of Drawings

Figure 1 shows a cross section of a masonry support element.

Figure 2 shows two masonry support elements of Figure 1 joined together. Figure 3 shows a masonry bracket with an indent to house a fire barrier.

Figures 4a-d show various positions of fire barriers, or equivalents in relation to the masonry support element.

Figure 5 shows a side lip of a cavity tray.

Figures 6a and 6b show two steps in the installation of masonry support elements around an external corner.

Figures 7a and 7b show two further steps of installing the masonry support elements of Figure 6 around an external corner.

Figure 8 shows a final installation step in the method shown in Figures 6 and 7.

Figure 9 shows an installation step for installing a one-piece masonry support element around an external corner.

Figure 10 shows a masonry support element in cross section in which the first column comprises a notch.

Figures ha and llb show a masonry support element with only one arm.

Figures 12a and 12b show a masonry support element in which the masonry support angle comprises a cut-out.

Figure 13 shows an embodiment of a masonry support angle in which the masonry support bracket comprises a slot into which the masonry support angle is housed.

Figure 14 shows a close up of an attachment element. Figure 15 shows the attachment element in cross section.

Figure 16 shows a cavity tray with means for attachment to the attachment element.

Figure 17 shows a close up of the attachment means of the cavity tray.

Figure 18a is a close up of the attachment means of the cavity tray from above. Figure 18b is a view of the cavity tray from above.

Figure 19 shows the attachment means of the cavity tray attached to the attachment element.

Figure 20 shows one step in the process of attaching the cavity tray to the attachment element.

Figure 21 shows a further step of the method of Figure 20.

Figure 22 shows a further step of the method of Figures 20 and 21.

Figure 23 shows a further step of the method shown in Figures 20 to 22.

Detailed Description of Drawings

Described herein is a masonry support element configured to sit in a cavity between an internal building structure and a facade, and to transfer the load of the facade to the internal building structure, the masonry support element comprising, a masonry support bracket, a masonry support angle, a cavity tray, wherein the masonry support angle is configured to extend into the facade, and to take the load of the facade and transfer this load to the masonry support bracket, wherein the masonry support bracket is configured to be attached to the internal building structure, and is configured to transfer the load from the masonry support angle to the internal building structure, wherein the masonry support bracket comprises a first column configured to lie parallel with the internal building structure, and at least one arm extending perpendicular to the column away from the internal building structure and towards the facade, wherein the masonry support angle is attached to the masonry support bracket, wherein the cavity tray is configured to overlie the at least one arm of the masonry support bracket, wherein the cavity tray is configured to collect moisture within the cavity, and to provide an alternative path for said water to take across the cavity tray, wherein the cavity tray sits above the masonry support angle such that water passing across the cavity tray drops down onto the masonry support angle.

Figure 1 shows a cross section of a masonry support element 1. This comprises a masonry support bracket 7, a masonry support angle 19 and a cavity tray 23. The masonry support element is positioned within a cavity between a masonry facade 5 and an internal building structure 3. The masonry support angle 19 is configured to extend into the masonry facade S. The masonry support angle 19 is configured to transfer the load from the masonry facade 5 to the masonry support bracket 7. The masonry support bracket 7 is in turn attached to the internal building structure 3 (this may be directly or through an intervening element) and to transfer the load from the masonry support angle 19 to the internal building structure 3. As such the load of the masonry facade 5 is held by the internal building structure 3.

The masonry support bracket 7 has a structure that is weight saving, whilst maintaining strength in the plane (the plane of the first arm 11) configured to transfer the load of the masonry facade 5. Shown in Figure 1 is the structure of the masonry support bracket 7 in side view. This shows a first column 9, a first arm 11, a second arm 13, and a second column 15. There is also a central void 17 between the first arm 11 and the second arm 13. The central void is fully enclosed in the plane of the first arm. The proximal end of the first arm 11 and second arm 13 are attached to the first column 9 in Figure 1. The distal ends of the first arm 11 and second arm 13 are attached to the second column 15 in Figure 1.

The remainder of the first column 9 is perpendicular the cross section of Figure 1, and is flush and/or parallel with the internal building structure. This portion of the first column 9 is perpendicular to the plane of the first arm 11.

The central void 17 may reduce the weight of the masonry support bracket. The strength of the masonry support bracket in the plane of the first arm (the plane that can be seen in Figure 1) is maintained. This is maintained by the two arms 11 and 13, and the second column 15. These elements together distribute the load, and enable it to be transferred. The portion of first column 9 visible in Figure 1 is optional, and all of the first column 9 may be perpendicular to the view shown in Figure 1. However, the section of the first column 9 is also advantageous for receiving the load from the arms 11 and 13 and transferring this to the portion of the first column 9 not visible in Figure 1 and then onto the internal building structure 3.

The second column is in two-dimensional plane of the first arm 11. The second column extends downwards (in this case vertically downwards, but other angles may be used). The second column is shown as being parallel in this view to the masonry facade. This may enable load to be transferred and carried efficiently by the masonry support bracket, whilst minimising the mass of the masonry bracket required.

It is noted that the first column, first arm, second arm, and second column may all be formed of a sheet-like material. This may be a metal such as stainless steel. These elements (the portion visible in the case of the first column 9) are therefore thin in the directions perpendicular to this viewpoint. These elements may for example be 0.5mm in the other perpendicular views. This enables the mass of the first column 9, second column 15, first arm 11 and second arm 13 to be reduced significantly. The strength of the masonry support bracket in the plane of the first arm 11 is not affected, and is sufficient to transfer the load of the masonry facade 5. However, the strength in the other two directions perpendicular to the view of Figure 1 is much lower. Having one plane of far greater strength and load bearing capacity allows the mass of the masonry support bracket 7 to be minimised, whilst not affecting the function the masonry support bracket 7 in the plane of the arm 11.

The first arm 11 is shown as being angled relative to the second column 15 (rather than being perpendicular). In some embodiments the arm 11 may be perpendicular to the second column 15. The arm 11 is angled such that the cavity tray 23 sitting atop the arm 11 is also angled. The arm however may be flat and the cavity tray 23 angled in an alternative manner. Angled may include the arm extending from the first column 9 towards the masonry facade 5, and the second column extending down from the first arm 11. The second column 15 may be approximately parallel the masonry facade 5 (as shown in Figure 1). The angle between the arm 11 and the second column 15 may be equal to 90 degrees plus the angle of the cavity tray relative to the horizontal (in the case of Figure 1 approximately 5 degrees).

The cavity tray overlies the at least on arm and extends through the plane visible in Figure 1. The cavity tray spans the majority of the cavity between the internal building 3 and the masonry façade 5. The function of the cavity tray 23 is to capture moisture in the cavity (e.g. condensing from the cavity onto the cavity tray 23, or passing down the internal building structure 3). The cavity tray 23 is angled to cause moisture collecting on the cavity tray 23 to pass towards the masonry facade 5. This angle may be between 3 and 10 degrees and preferably is 5 degrees. This may prevent pooling, whilst reducing the amount of mass needed to form the cavity tray 23. At the end of the cavity tray 23 the moisture will drop off of the cavity tray 23. The end of the cavity tray features a lip 31 (purely optional). This may guide the moisture so that the moisture falling from the cavity tray 23 takes a predictable path. In this case the lip 31 extends vertically down, but other angles may be used. The cavity tray may comprise a metal sheet, and may have a thickness of up to 2mm, and preferably 0.5mm to reduce weight.

The moisture will then fall on the masonry support angle 19. This makes use of the masonry support angle 19 as a secondary cavity tray. The water will then pass along the masonry support angle 19 and out of the cavity. The masonry facade 5 may contain weep holes positioned adjacent the masonry support angle 19 to enable the moisture to leave the cavity and the building entirely. The masonry support angle 19 is shown as being entirely flat in the horizontal, however it may have a slight angle to encourage water flow out of the cavity. It is noted that a single masonry support angle may be connected to two masonry support brackets 7 within a single masonry support element 1.

The cavity tray 23 may be attached to the masonry support bracket 7 by any means such as by a mechanical join, adhesive or by welding. In this example the cavity tray 23 comprises a second angled section 27, that is angled at a greater angle than the rest of the slope of the cavity tray 23. This may be angled at 50 degrees from the horizontal in this example (other angles may be used). This may allow the cavity tray to attach to an attachment element 29 positioned at the top of the first column/ first arm 11. The second angled section 27 may make it simpler for a user to make the connection between the cavity tray 23 and the attachment element 29. This attachment element is shown in more detail in Figures 15-22.

It is noted that the cavity tray may be optional for some embodiments. For example, the masonry support bracket 7 may be used as a standalone element with the masonry support angle 19. This may still provide a reduced mass masonry support element 1 for transferring the load form the masonry facade 5 to the internal building structure 3. Other means may then be used to control moisture and fluid flow within the cavity.

Also shown in Figure 1 is a wall tie 33. The wall tie 33 may offer a second point of attachment between the masonry support element 1 and the masonry facade. This may help with alignment during installation, and to prevent slippage during use. The wall tie is shown as being attached to the second column 15 of the masonry support bracket 7. The wall tie 33 may also be attached to the first arm 11. The wall tie 33 may be directly attached by any means. In this embodiment the wall tie sits within a slot 35. The slot may be positioned on either the second column 15 or the first arm 11. The slot 35 may allow some tolerance and adjustability of the height of the wall tie. This may make installation significantly simpler as the slot 35 may make allowances for any inaccuracies in installation.

The masonry support angle 19 comprises an upstanding 21. The upstanding may project upwards from the portion of the masonry support angle 19 that extends into the facade 5 during use. The two portions of the masonry support angle 19 may be perpendicular to each other as shown in Figure 1. The upstanding may be 50mm, 70mm, or 90mm in height above the other portion of the masonry support angle. A lower height (e.g. 50mm) may be preferable to reduce the mass of the masonry support angle. However, a larger upstanding may be used in some embodiments where greater strength is required. Current UK regulations dictate a minimum upstanding of 100mm.

It is noted that the first column (portion shown only) 9, second column 15, first arm 11 and second arm 13 may be known as a single sheet with a central window 17. This separate interpretation confers the same structure shown in Figure 1.

Whilst not shown in Figure 1 (due to Figure 1 being a cross section), a second structure much like that shown in Figure 1 may be attached in parallel to that shown in Figure 1, where both are connected via the first column 9. In particular, there may be a third and fourth arm extending from the first column 9. These arms may be parallel to the first arm 11 and second arm 13, and the third and fourth arm may be joined by a third column, where said third column may be parallel to the second column 15, and perpendicular to the first column 9. The third and fourth arms may form a second two-dimensional plane that is parallel to the two-dimensional plane of the first and second arms 11, 13. There may be a central void between the third and fourth arms.

A building comprising an internal building structure 3, a masonry facade 5, and a masonry support element (such as the one shown and described in Figure 1, or with respect to any other Figures or embodiments described herein) may have the masonry support element 1 connected between the masonry facade and the internal building structure 3. Optionally in the masonry facade there may be positioned weep vents adjacent the masonry support angle 19 such that water carried along the masonry support angle 19 may exit the building via the weep holes.

Figure 2 shows two masonry support elements of Figure 1 conjoined. Figure 2 shows a first masonry support bracket 7a, a second masonry support bracket 7b, a first cavity tray 23a, a second cavity tray 23b, a first masonry support angle 19a, a second masonry support angle 19b. In this example two masonry support brackets 7a are attached to a single masonry support angle 19a. However, the second masonry support bracket 7a is entirely optional.

Also shown herein is infill tray 37. This joins the first masonry support angle 19a with the second masonry support angle 19b. This prevents the join being a weak point structurally, and prevents water ingress. The infill tray 37 and join between the two masonry support elements is shown as being at a straight point in the structure. Alternatively, this may at an internal or external corner.

Figure 3 shows a masonry bracket with an indent 37 to house a fire barrier 25. The masonry support element 1 may serve yet another purpose as it may reduce the spread of fire in a building, particularly reducing the spread of fire from floor to floor.

Shown in Figure 3 is a masonry support bracket 7, a masonry support angle 19 an indent 37 on the masonry support bracket 7, and a fire barrier 25. The indent sits at the top of the first arm 11. There is a nodule shown at the distal end of the first arm (nearest the masonry façade 5 in use). This may support the fire barrier 25 and prevent slippage. It is noted that the nodule may be optional. Alternative fastenings such as adhesive may be used. The notch 37 allows the fire barrier to sit between the first arm 11 and the cavity tray 23 as shown in Figure 1.

The fire barrier 25 may be any suitable fire prevention material, such as intumescent material, or fire prevention material.

Figures 4a-d show various positions of fire barriers, or equivalents in relation to the masonry support element. Figure 4a shows a different view of Figure 3 in which the notch 37 at the top of the first arm 11 allows the fire barrier to sit between the first arm 11 and the cavity, whilst in a mechanical hold of the indent 37. The cavity tray overlies the fire barrier 25.

Figure 4b shows an alternative embodiment in which no notch is present. Instead the fire barrier sits atop the first arm 11 (it may be joined to the first arm by alternative means such as tape or adhesive). The cavity tray 23 then overlies the fire barrier.

Figure 4c shows an alternative in which the fire barrier 25 is placed atop the cavity tray 23.

Figure 4d shows an intumescent rigid structure 39 positioned atop the cavity tray 23.

This may allow the masonry support element 1 to cooperate with legacy fire prevention systems.

Figure 5 shows a side lip of a cavity tray. Figure 5 shows a cavity tray 23 with a slide lip 41 and a masonry support bracket 7. A side lip 41 may be on either side (one, or the other, or both) of the cavity tray. The sides run parallel with the first arm 11 of the masonry support bracket 7. The side lips may prevent water from passing off of the side of the cavity tray. This in turn may allow the amount of water on each cavity tray to regular (similar to the groynes on a beach keeping sand distribution equal).

The side lip 41 may extend upwards, and may be vertically upwards from the cavity tray 23.

Figures 6a and 6b show two steps in the installation of masonry support elements around an external corner. Figure 6a show a first step of positioning a masonry support element 1 at a selected position relative to the internal building structure 3 and the masonry facade 5. It is noted that the masonry facade may be built around the masonry support angle 19 after the masonry support element 1 has been installed. The masonry support element comprises two masonry support brackets 7a (one of which is entirely optional) and a masonry support angle 19a. The masonry support element 1 in this example is positioned on one side of an external angle. This same process may be used adjacent an internal corner.

Figure 6b shows a second step of the method shown in Figure 6a. In this step a second masonry support element comprising masonry support bracket 7b, and masonry support angle 19b is positioned at a second selected position. This selected position is the other side of the external corner to the first selected position of the first masonry support element 1. At this point the masonry support elements may be attached to the internal building structure. Alternatively, this attachment may take place later in the method.

Figures 7a and 7b show two further steps of installing the masonry support elements of Figure 6 around an external corner. Figure 7a shows the first masonry support element and second masonry support element as shown in figure 6b. Additionally an infill tray 37 has been positioned at the join between the first masonry support element and the second masonry support element. This may improve the structural performance of the masonry support elements, and prevent water ingress. The infill tray is positioned at the apex of the external corner (and may be positioned at the apex of an internal corner in a corresponding embodiment). The infill tray 37 may be attached to the first masonry support angle 19a and the secondary masonry support angle 19b at this stage, or this may be attached later in the method.

Figure 7b shows the elements of figure 7b with an additional cavity tray 23a installed. The cavity tray 23a is positioned to overlie the first masonry support bracket 7a. In this embodiment the cavity tray does not overlie the second masonry support element 7b (however in alterative embodiments it may well do). The cavity tray extends around the external corner such that is sits above at least a portion of both the first masonry support angle 19a and a portion of the secondary masonry support angle 19b.

Figure 8 shows a final installation step in the method shown in Figures 6 and 7. This shows the elements of Figure 7b and an additional second cavity tray 23b. This overlies the second masonry support bracket 7b and a portion of the second masonry support angle 19b. It is adjacent the first cavity tray 23a. The join may be left as is, or may have tape or other mechanical or adhesive join made between them. The cavity trays 23a and 23b may be attached to the masonry support brackets at this stage. The cavity trays 23a and 23b may further be directly attached to the internal building structure to prevent movement.

Figure 9 shows an installation step for installing a one-piece masonry support element around an external corner. This is an alternative to figures 6-8. In cases where the dimensions of the corner are small, or where there are access problems it may be simpler to fit a one-piece masonry support element that contains a corner, rather than using two straight sections of masonry support element to form a corner (as shown in Figures 6-8). A cavity tray may then be added as per any suitable method of attachment. Figure 9 shows a single masonry support element with a first masonry support bracket 7a at an angle to a second masonry support bracket 7n. The masonry support angle 19 comprises two sections at an angle to one another. A cavity tray overlying the masonry support brackets would also comprise two sections at an angle to one another. Such an arrangement may also be used for internal corners.

Figure 10 shows a masonry support element in cross section in which the first column comprises a notch. Figure 10 shows an internal building structure comprising a notch 45. A notch 45 may also be formed from other elements or members attached to the internal building structure 3 that are to be navigated by the masonry support element 1.

The masonry support bracket 7 therefore includes a notch 43. This notch allows the first column 9 of the masonry support bracket 7 to lie adjacent (in this case parallel and flush to) the internal building structure 1.

The notch 43 consists of a horizontal displacement of the column at a point along its length. The two sections of the first column 9 either side of the notch 43 are parallel and connected to one another. However, there is in effect a chicane like connecting portion that comprises the notch 43. The notch 43 may be rounded, or may be squared as shown in the Figure.

It is noted that in some embodiments in which a notch is present the first column 9 may not have a back plate flush to the internal building structure below the notch. Instead the side portion of first column 9 (the portion visible in Figure 1 for example) may extend below the notch and there may be a void adjacent the internal building structure 3.

Figures ha and 11b show a masonry support element with only one arm. The masonry bracket 7 comprises a first column 9, and an arm 11. The arm shown comprises no central void (although one may be present). Such an arm may be used in dual arm embodiments.

In this embodiment only one full arm emanates from the first column 9, and only one arm 11 is secured to the masonry support angle 19 (two masonry support brackets are shown, which whilst advantageous is optional). The at least one arm provides sufficient load bearing means to support the masonry facade.

Element 47 is optional and comprises a shortened arm or stump. This allows the proximal end of the masonry support bracket to have a C-shaped profile when viewed from above. This is stronger than an L-shaped profile if the stump 47 is removed. The stump 47 is therefore advantageous for increasing load bearing capacity.

Figures 12a and 12b show a masonry support element in which the masonry support angle comprises a cut-out. Figure 12a shows masonry support elements 7 overlaid by a cavity tray 23 as per previous embodiments. A masonry support angle 19 is connected to the masonry support brackets as per the previous embodiments. It is noted that the first column 9 of the masonry support bracket 7 comprises a central void 57. This is shown and described in greater detail with reference to Figure 14. We note that bolts that attach the masonry support bracket to the internal building structure 3 may be positioned in the central void 57.

Also shown in Figure 12a is a cut-out 51. The cut-out is at the uppermost edge of the upstanding 21. The cut-out 51 allows a bolt to be positioned in either the central void 57 or a secondary void (e.g. within 75mm of an upper primary bolt) of the first column 9, and for a user to be able to apply leverage to said bolt in a simple manner. This makes assembly simpler, more efficient, and allows greater flexibility in bolt positioning to enhance the connection between the masonry support element 1 and the internal building structure 3.

For example, a user may drill into the building structure to create a hole for the bolt to enter. This hole may be aligned with the cut-out, and the drill bit may access the position of the hole (so as to drill the hole) through the cut out. A socket may then be used to tighten the bolt nut into place. The socket may be accessed via the cu-out to improve access in some embodiments.

Figure 12b is the same as Figure 12a, with only one difference. This is shown in zoomed in portion which shows a cover element 53. The cover element is positioned over the cut-out 51 so that it is not visible. This may help with restoring the strength properties of the masonry support angle. Moreover, this may allow the cut-out compliance with UK construction regulations. It is noted that the cover is optional and the cut-out may be left uncovered.

It is noted that the cut-out may be used with any masonry support element in which an upstanding (for example forming part of a masonry support angle) is used. This cut-out is not tied to any masonry support angle shown in this application.

Figure 13 shows an embodiment of a masonry support angle in which the masonry support bracket comprises a slot into which the masonry support angle is housed. The masonry support element of Figure 13 comprises a masonry support angle 19 and a masonry support bracket 7 (of which only the arms 11 are shown). The arms 11 are shown as omitting a central void which may beneficial in this embodiment. However, it is possible to incorporate a central void into this embodiment if required.

A slot 55 is present in the arms 11 shown. The upstanding 21 of the masonry support angle 19 fits into the slot 55 of the arms 11. The masonry support angle is therefore mechanically joined to the masonry bracket 7 through the slot. This may reduce the need for welding in the construction process, and may decrease the mass of the masonry support element 1. It is noted this slot may be used with any masonry support element comprising a bracket and a masonry support angle comprising an upstanding.

Described herein is an attachment element configured to attach to a secondary element, the attachment element comprising a proximal arm, a distal arm, a channel between the proximal arm and the distal arm, the channel leading to a first recess positioned below the proximal arm and a second recess positioned below the distal arm, and a tooth positioned within the second recess.

Figure 14 shows a close up of an attachment element. On the left is shown a masonry support element as detailed in the embodiments described above. A masonry bracket 7 and a masonry support angle 19 are shown. A central void 57 is also shown in the first column 9 in the side flush to the internal building structure 3 during use. Attachment means such as bolts may protrude through the central void 57 and may attach the masonry support bracket to the internal building structure 3. For example, a primary attachment means may be positioned near the top of the first column 9 within the central void 57. Near the top may comprise within 45mm of the top of the first column 9. Optionally a secondary attachment means may be located further down (for example within 75mm of the primary attachment means, and/or within 45mm of the bottom of the first column). The secondary attachment means may either be located within the central void, or within a second void in the first column 9 (the second void is not shown). This may provide a secure attachment between the internal building structure and the internal building structure 3.

The close-up view on the right shows the attachment element 29. This attachment element may be used in any technical field, and may be divorced from this particular masonry support element, or from masonry support elements more generally. However, this attachment element is particularly advantageous for use in connecting a masonry support bracket to a cavity tray. The attachment element 29 is described with reference to the remaining Figures.

It is noted that the attachment element (and therefore the arms of the attachment element) are angled with respect to the vertical of the masonry support element. This may make it simpler to fit a cavity tray to the attachment element 29 during assembly. In some embodiments therefore the proximal arm extends form a position above the distal arm.

Figure 15 shows the attachment element in cross section. The attachment element comprises a proximal arm 59, a distal arm 61. Below the proximal arm is a first recess 63. Below the distal arm 61 is a second recess 65. Within the second recess 65 is a tooth 67. The tooth 67 divides the second passage 65 into a first passage and a second passage 69. The first passage is adjacent the anterior side 85 of the tooth, and the second passage is adjacent the posterior 83 side of the tooth.

Also shown in Figure 15 are the top surface of the proximal arm 77, and the underside of the proximal arm 75. Similarly, the top side of the distal arm 81 and the underside of the distal arm 79 are also shown. The anterior side of the tooth 85 and the posterior side of the tooth 83 are also shown.

It is noted that "below" means adjacent the underside 75, 79 of the proximal 59 or distal 61 arms. Therefore, the second recess 65 being below the distal arm 61 comprises the second recess 65 being adjacent the underside 79 of the distal arm 61.

The first recess 63 and the second recess 65 are shown as being joined together to form a single void. The first recess 63 and second recess 65 share a base 73.

The tooth 67 is positioned within the second recess 65. It is noted that in other embodiments the tooth 67 rests directly on top of the base 73. However, in the embodiment shown in Figure 15 the tooth 67 is elevated above the base 73 such that second passage 69 is formed. The second passage is positioned between the posterior side of the tooth 83 and the base 73.

A channel is also shown in Figure 1. This is the space between the proximal arm 59 and the distal arm 61. The channel connects the first recess 63 and second recess 61 with the outside environment.

The anterior side of the tooth 85 is angled relative to the underside of the distal arm 79. Similarly, the underside of the proximal arm 75 is angled relative to the base 73.

In both of these cases the angle may be between 5 and 20 degrees (relative to one another). This angle may preferably be between 14 and 18 degrees, and most optimally may be 16 degrees. This angular range may make the secondary element simple to fit to the attachment element 29. The two angles may be the same to enable the secondary element to slide form the anterior side of the tooth 85 to the underside of the proximal arm 75 easily during installation.

The posterior side of the tooth 83 is parallel with the base 73 such that the passage 69 is approximately cuboidal.

In Figure 15 the underside of the distal arm 79 is further from the base than the underside of the proximal arm 75. Indeed, the underside of the distal arm 79 is further from the base 73 than the top side of the proximal arm 77.

The distal arm forms an elongate bar as the top side 81 and underside 79 are parallel. These surfaces are parallel to both the top side of the proximal arm and the base 73, and the posterior side of the tooth 83.

As is shown in the Figures below show how a secondary element may co-operate with the attachment element to couple together. An element may slide along the top surface of the proximal arm 77, and then onto the underside of the distal arm 79 (passing across the channel 71 whilst doing so). Once inside the second recess 65 the secondary device may be pivoted onto the anterior surface of the tooth 85, and then slid onto the underside of the proximal arm 75 in the first recess 63. The secondary element may then be further pivoted to be flush with the base 73. Optionally the secondary element may then be slid into the passage 69.

Figure 16 shows a cavity tray with means for attachment to the attachment element. The cavity tray may be used in the masonry support element 1 as described in the above figures. The cavity tray 23 comprises a bar 87. The bar may act as the secondary element to co-operate with the attachment element 29. Either side of the bar 87 are voids 89, 91. The first void 89 extends from the bar 87 to the first edge of the cavity tray. The bar 87 therefore makes up a portion of the perimeter of the cavity tray 23. The second void 91 extends from the bar towards the interior of the cavity tray 23. The second void 91 is therefore surrounded by material of the cavity tray 23. The voids 89, 91 may be used to provide space for manoeuvring the bar through the attachment element 29. In advantageous embodiments the voids may be 8-12mm in length (that is the dimension perpendicularly away from the bar). A distance of lOmm may be particularly advantageous.

It is noted that there are two sets of bar 87, first void 89, and second void 91 close together to form a pair. This may be useful in creating a secure attachment between a masonry support element and the cavity tray. For example, an attachment element may be situated above two arms of a masonry support element, either side of the first column 9.

The bar 87 has a width of between 3mm and 7mm, and preferably 5mm. This may fit particularly well with the attachment element 29.

It is also noted that in Figure 16 there are two pairs of bars 87. This may provide a particularly secure attachment between a cavity tray 23 and a masonry support element 1, particularly a masonry support element 1 containing two brackets 7.

Figure 17 shows a close up of the attachment means of the cavity tray. This shows the bar 87, first void 89 and second void 91 in more detail. The bar is approximately flat with a thickness significantly smaller than tis length or width. The bar may have a thickness or depth of approximately 0.5mm.

In Figure 17 the first void 89 is shown as being longer than the second void 91. This may allow the bar to be offset from the top of the cavity tray such that it is simpler to manoeuvre the cavity tray during installation. The first void 89 may be 12mm long, and the second void 91 may be 8mm long in this embodiment.

Figure 18a is a close up of the attachment means of the cavity tray from above. This shows the bar 87, first void 89 and second void 91 in more detail.

Figure 18b is a view of the cavity tray from above. This shows that the bar 87, first void 89, and second void 91 may all be positioned on a raised secondary angled section 27 of the cavity tray.

It is noted that the length of the first and second voids may be 1mm longer than the length of the top side of the distal arm in some embodiments, and may be 1mm longer than the distance between the rear of the distal arm and the tooth.

Figure 19 shows the attachment means of the cavity tray attached to the attachment element. This shows the cavity tray 23 within the attachment means 29. This is in the final position once the two are attached. The bar 87 is shown as being held within the second passage 69, below the tooth 67.

It is noted that the second passage may have a depth approximately equal to the depth of the bar -however the second passage may comprise an additional tolerance to ensure the bar fits within the second passage. This tolerance may be 0.1mm for

example.

Similarly, (as explained above) the distance between the base 73 and the top of the proximal arm 77 is less than the distance between the base 73 and the underside of the distal arm 79, and wherein the difference between these distances is equal to the depth of the bar. This distance may also include an additional tolerance, for example of 0.1mm.

The width of the bar 87 may be wider than the channel 71, such that the bar 87 may only enter the channel at a specific angle.

Figure 20 shows one step in the process of attaching the cavity tray to the attachment element. This is shown from above (Figure 20A), cross section (Figure 20B), and perspective view (Figure 20C). It is noted that a first step may include sliding the bar 87 along the top surface of the proximal arm 77. However, this first step is not essential in all configurations and so is omitted from the drawings herein.

This stage shows the bar 87 being positioned under the underside of the distal arm 79. The bar is shown within the second recess 65. To get to this position the bar 87 may have passed through the channel 71.

This embodiment shows that the length of the distal arm is optionally 0.5mm (or more) greater than the width of the bar 87. This may provide space to make it simple to pivot the bar 87 (the next step shown in Figure 21).

This embodiment may also show that the distance between the end of the proximal arm and the tooth is at least half of the width of the bar. This is entirely optional, and may simply make the pivoting of the bar simpler. However, if this is not the case whilst the pivoting may be less ergonomic for the user, it can still be done to fit the bar to the attachment element.

Figure 21 shows a further step of the method of Figure 20. The same perspectives as used in Figure 20 are used for Figure 21. Figure 21 (as compared to Figure 20) shows the bar 87 being pivoted within the second recess 65. The bar then sits on the anterior surface of the tooth 85.

Figure 22 shows a further step of the method of Figures 20 and 21. The same perspectives as used in Figures 20 and 21 are used in Figure 22. Figure 22 (as compared with figure 21) shows the bar 87 slid into the first recess 63 to the underside of the proximal arm 75.

In this embodiment the length of the base to the entrance of the second passage 69 is at least 0.5mm greater than the width of the bar. This may make it simple to pivot the bar during installation (in particular the second pivoting action described below) -however shorter measurements may also be used.

Figure 23 shows a further step of the method shown in Figures 20 to 22. The same perspectives as used in Figures 20-22 are used in figure 23. Figure 23 (as compared to Figure 22) shows the bar 87 having been pivoted to be flush with the base 73. An optional step is also shown in which the bar 87 is slid into the second passage 69 between the base 73 and the posterior of the tooth 83. This final entry into the second passage 69 is optional, but may advantageously secure the bar 87 in place such that without human intervention it is extremely unlikely to move.

In this embodiment the length of the second passage 69 is at least half of the width of the bar. This means that half of the bar is contained within the second passage 69 in order to secure the bar 87. As stated above the second passage is entirely optional, and some embodiments may have a shorter passage for manufacturing purposes (although this may make the bar 87 less secure in use).

A method of making the above described devices may include welding, forming, casting or any other suitable equivalent process.

The above embodiments are to be understood as illustrative examples. Further embodiments are also envisaged. It is to be understood that any feature described in relation to any one embodiment may be used alone, or in combination with other features described and may also be used in combination with one or more features of any other of the embodiments, or any combination of any other of the embodiments.

Furthermore, equivalents and modifications not described above may also be employed without departing from the scope of the invention, which is defined in the accompanying claims.

In some examples, one or more memory elements can store data and/or program instructions used to implement manufacture of devices described herein. Embodiments of the disclosure provide tangible, non-transitory storage media comprising program instructions operable to program a processor to said manufacture method and/or claimed herein.

The processor of such manufacturing apparatus (and any of the methods, activities or instructions outlined herein) may be implemented with fixed logic such as assemblies of logic gates or programmable logic such as software and/or computer program instructions executed by a processor. Other kinds of programmable logic include programmable processors, programmable digital logic (e.g. a field programmable gate array (FPGA), an erasable programmable read only memory (EPROM), an electrically erasable programmable read only memory (EEPROM), an application specific integrated circuit (ASIC) or any other kind of digital logic, software, code, electronic instructions, flash memory, optical disks, CD-ROMs, DVD ROMs, magnetic or optical cards, other types of machine-readable mediums suitable for storing electronic instructions, or any suitable combination thereof. Such data storage media may also provide the data storage of the manufacturing device.

Clauses The below clauses are statements regarding some of the contents of the application.

1. A masonry support element configured to sit in a cavity between an internal building structure and a façade, and to transfer the load of the facade to the internal building structure, the masonry support element comprising: a masonry support bracket; a masonry support angle; a cavity tray; wherein the masonry support angle is configured to extend into the façade, and to take the load of the façade and transfer this load to the masonry support bracket; wherein the masonry support bracket is configured to be attached to the internal building structure, and is configured to transfer the load from the masonry support angle to the internal building structure; wherein the masonry support bracket comprises a first column configured to lie parallel with the internal building structure, and at least one arm extending perpendicular to the column away from the internal building structure and towards the façade, wherein the masonry support angle is attached to the masonry support bracket; wherein the cavity tray is configured to overlie the at least one arm of the masonry support bracket; wherein the cavity tray is configured to collect moisture within the cavity, and to provide an alternative path for said water to take across the cavity tray; wherein the cavity tray sits above the masonry support angle such that water passing across the cavity tray drops down onto the masonry support angle.

2. The masonry support element of clause 1, further comprising a second column attached to the other end of the at least one arm, wherein the second column is perpendicular to the first column and is angled relative to the at least one arm; 3. The masonry support element of clause 2, wherein angled to comprises the arm extending from the first column towards the facade, and the second column extending from the first arm downwards, approximately parallel to the facade.

4. The masonry support element of clauses 2 or 3, wherein the arm is a sheet, and is in a two dimensional plane, and wherein the second column is in the same two-dimensional plane.

5. The masonry support element of any preceding clause, wherein the masonry support angle being attached to the masonry support bracket comprises the masonry support angle being attached to the second column of the masonry support bracket.

6. The masonry support element of any preceding clause, wherein the at least one arm comprises two arms extending from the first column, such that the proximal end of the arms are attached to the first column.

7. The masonry support element of clause 6, when dependent on clause 2, wherein the distal ends of both the first arm and the second arm are attached to the second 30 column.

8. The masonry support element of clauses 6 or 7, wherein there is a void between the first and second arms.

9. The masonry support element of any of clauses 6-8, wherein the first arm emanates from the top of the first column, and the second arm emanates from the bottom of the first column.

10. The masonry support element of any of clauses 6-9, wherein the masonry support bracket comprises a second pair of arms, the third arm and fourth arm, that extend from the first column.

11. The masonry support element of clause 10, wherein the third arm and fourth arm are parallel to the first arm and second arm.

12. The masonry support element of clauses 10 or 11, wherein the third arm and fourth arm are both joined to a third column.

13. The masonry support element of clause 12, when dependent on clause 2, wherein the third column is perpendicular the first column, and is parallel to the second column.

14. The masonry support element of clause 13, wherein the third column is angled relative to the third arm and the fourth arm, wherein the third and fourth arm extend from the first column towards the façade, and wherein the third column is approximately parallel the façade.

15. The masonry support element of clauses 13 or 14, wherein the arm is a sheet, and is in a two dimensional plane, and wherein the third column is in the same two-dimensional plane.

16. The masonry support element of any of clauses 10-151 wherein there is a void between the third arm and the fourth arm.

17. The masonry support element of any preceding clause, wherein the first column comprises a sheet of material, preferably metal, preferably stainless steel.

18. The masonry support element of any preceding clause, wherein the at least one arm comprises a sheet of material, preferably metal, preferably stainless steel.

19. The masonry support element of any preceding clause, wherein the top surface of the at least one arm comprises an indent.

20. The masonry support element of clause 19, wherein a fire barrier or fire prevention material sits within the indent, such that the fire barrier is positioned between the at least one arm and the cavity tray.

21. The masonry support element of any preceding clause, wherein a fire barrier is positioned between the cavity tray and the at least one arm.

22. The masonry support element of any preceding clause, wherein a fire barrier is positioned atop the cavity tray.

23. The masonry support element of any preceding clause, wherein an intumescent rigid structure is positioned atop the cavity tray.

24. The masonry support element of any preceding clause, further comprising a wall tie attached to the masonry support bracket, optionally attached to the second column of the masonry support bracket.

25. The masonry support element of clause 24, wherein the wall tie is attached to a slot within the masonry support bracket, allowing the height of the wall tie to be adjusted.

26. The masonry support element of any preceding clause, wherein the cavity tray comprises a metal sheet, preferably of a thickness of up to 2mm, preferably wherein the thickness is 0.5mm.

27. The masonry support element of any preceding clause, wherein the cavity tray is angled relative to the horizontal, preferably wherein the angle is between 3 and 10 degrees, and preferably wherein the angle is 5 degrees.

28. The masonry support element of clause 27, wherein the cavity tray further comprises a second angled section at a greater angle to the horizontal than the rest of the cavity tray, wherein the second angled section is positioned adjacent the first column, optionally wherein the greater angle is 50 degrees from horizontal.

29. The masonry support element of clause 28, wherein the second angled portion comprises the attachment point to attach the cavity tray to the masonry support bracket.

30. The masonry support element of any preceding clause, wherein the cavity tray extends to overlie at least a portion of the first column of the masonry support bracket.

31. The masonry support element of clause 30, wherein the cavity tray overhangs 30 the end of the at least one arm, and the second column.

32. the masonry support element of any of clauses 30 or 31, wherein at the end of the overhang of the cavity tray the cavity tray comprises a lip.

33. The masonry support element of clause 32, wherein the lip extends downwards, optionally vertically down parallel to the internal building structure.

34. The masonry support element of any preceding clause, wherein the cavity tray is attached to the masonry support bracket by one of a mechanical join, an adhesive join or a welded join.

35. The masonry support element of clause 34, wherein the cavity tray is attached to the masonry support bracket by an attachment element, optionally wherein the attachment element is in accordance with any of clauses 71 to 105.

36. The masonry support element of any preceding clause, wherein the masonry support angle comprises an upstanding element such that the upstanding is attached to the at least one arm and/or second column of the masonry support bracket, optionally wherein the upstanding element extends at least 50mm from the horizontal plane of the portion of the masonry support angle that extends into the facade, further optionally wherein this extension is at least 100mm.

37. The masonry support element of clause 36, wherein the upstanding element is perpendicular to the portion of the masonry support angle configured to extend into the facade.

38. The masonry support element of one of clauses 36 or 37, wherein the upstanding comprises a cut-out at the top edge of the upstanding, wherein the cut-out is positioned in line with the central void of the first column.

39. The masonry support element of clause 38, further comprising a cover to cover the cut-out of the upstanding when installed.

40. The masonry support element of any preceding clause, wherein a primary attachment between the masonry support bracket, and optionally the internal building structure is positioned at the top of the first column.

41. The masonry support element of any preceding clause, wherein the first column comprises a central void.

42. The masonry support element of clause 41, when dependent on clause 40, wherein the primary attachment is through the central void of the first column, optionally at the top of the central void, optionally wherein at the top comprises within 45mm of the top of the central void.

43. The masonry support element of any of clauses 40-42, further comprising a secondary attachment between the masonry support bracket and the internal building structure.

44. The masonry support element of clause 43, wherein the secondary attachment is positioned at the bottom of the first column.

45. The masonry support element of clause 43 or 44, wherein the secondary attachment is through the central void of the first column, optionally within 75mm of the primary attachment, or alternatively at the bottom of the central void, optionally wherein at the bottom comprises within 45mm of the bottom of the central void.

46. The masonry support element of any of clauses 43-45, wherein one or both of the primary and secondary attachments are in the form of a bolt into the internal building structure.

47. The masonry support element of any preceding clause, wherein a side of the cavity tray, parallel to the at least one arm, comprises a lip, optionally wherein both sides parallel to the at least one arm comprise a lip.

48. The masonry support element of clause 47, wherein the lip rises from the cavity tray to prevent water from passing to the side and off of the cavity tray.

49. The masonry support element of any preceding clause, wherein the at least one arm, or the second column, comprises a slot into which the upstanding of the masonry support angle is positioned.

50. The masonry support element of any preceding clause, wherein the first column comprises a notch, such that there is an offset from a first portion of the column to a second portion.

51. The masonry support element of any preceding clause, wherein each masonry support bracket comprises a pair of brackets attached to a single masonry support angle.

52. The masonry support element of clause 51, wherein each of the masonry support brackets are positioned angled to one another, optionally perpendicular to one another.

53. The masonry support angle of clause 52, wherein the masonry support angle comprises a first section and a second section are angled to one another, optionally perpendicular to one another.

54. The masonry support angle of clauses 52 or 53, wherein the cavity tray comprises a first and second section angled to one another, optionally perpendicular to one another.

55. The masonry support element of clauses 52-54, wherein the masonry support element is configured to attach as a single unit around an external/internal corner of the internal building structure.

56. A method of installing the masonry support element of clauses 1-55, the method comprising the steps of: positioning a first masonry support bracket and angle at an intended position adjacent the internal building structure; positioning a second masonry support bracket and angle adjacent the position of the first masonry support element, and adjacent the internal building structure; attaching both the first masonry support bracket and angle and the second masonry support bracket and angle to the internal building structure; positioning a first cavity tray over the at least one arm of the first masonry support bracket; attaching the first cavity tray to the first masonry support bracket.

57. The method of clause 56, further comprising: positioning a first infill cavity tray over a portion of the first masonry support angle and a portion of the second masonry support angle; attaching the first infill cavity tray to the first masonry support angle and the second masonry support angle.

58. The method of clause 56 or 57, wherein the first cavity tray extends over at least a portion of the second masonry support bracket.

59. The method of any of clauses 56 to 58, further comprising positioning a second cavity tray extending over at least a portion of the second masonry support bracket.

60. The method of clause 59, further comprising attaching the second cavity tray to the second masonry support bracket.

61. The method of any of clauses 56-60, wherein positioning the first masonry support bracket and angle comprises positioning the first masonry support bracket and angle one side of an external/internal corner of the building structure; wherein positioning the second masonry support bracket and angle comprises positioning the second masonry support bracket and angle the other side of the external/internal corner of the building structure to the first masonry support bracket and angle.

62. The method of clause 61, wherein positioning the first cavity tray over the at least one arm of the masonry support bracket comprises the cavity tray extending around the external/internal corner of the internal building structure.

63. The method of any of clauses 61 or 62, when dependent on clause 57, wherein positioning a first infill cavity tray comprises positioning the infill cavity tray over the external/internal corner of the internal building structure.

64. The method of any of clauses 56-63, wherein attaching the first masonry support bracket to the internal building structure comprises securing a first bolt through a central void in the first column of the masonry support bracket, and said bolt attaching to the internal building structure.

65. The method of clause 64, wherein the first bolt is positioned at the top of the central void.

66. The method of clauses 64 or 65, wherein securing further comprises securing a second bolt through the central void in the first column of the masonry support bracket, and said second bolt attaching to the internal building structure.

67. The method of clause 66, wherein attaching the second bolt comprises providing leverage through a cut-out in the first masonry support angle, wherein the cut-out is aligned with the central void of the first column of the masonry support bracket.

68. The method of clause 67, further comprising attaching a cover to cover the cut-out after the second bolt is attached.

69. A building comprising: an internal building structure; a masonry facade; a masonry support element as recited in clauses 1-55; wherein the masonry support element is connected between the masonry facade and the internal building structure.

70. The building of clause 69, further comprising weep vents positioned at the end of the masonry support angle such that water is expelled from the building via the weep vents.

71. An attachment element configured to attach to a secondary element, the attachment element comprising: a proximal arm; a distal arm; a channel between the proximal arm and the distal arm; the channel leading to a first recess positioned below the proximal arm and a second recess positioned below the distal arm; and a tooth positioned within the second recess.

72. The attachment element of clause 71, wherein the attachment element is positioned on a masonry support element, optionally wherein the masonry support element is a masonry support bracket, and is configured to attach to a building structure.

73. The attachment element of clause 72, wherein the proximal arm is located on the masonry support element.

74. The attachment element of clauses 72 or 73, wherein the distal arm is located on the masonry support element.

75. The attachment element of any preceding clause, wherein the second recess is divided by the tooth into a first passage adjacent the channel and the anterior of the tooth, and a second passage adjacent the posterior of the tooth.

76. The attachment element of clause 75, wherein the anterior side of the tooth is angled relative to the underside of the distal arm.

77. The attachment element of clause 76, wherein the angle between the anterior side of the tooth and the distal arm is between 5 and 20 degrees, optionally wherein the angle is between 14 to 18 degrees, and further optionally wherein the angle is 16 degrees.

78. The attachment element of any preceding clause, wherein the arms of the attachment element are angled with respect to the vertical of the masonry support element.

79. The attachment element of clause 78, wherein the proximal arm extends from a position above the distal arm.

80. The attachment element of any preceding clause, wherein the top side of the distal arm and the top side of the proximal arm are parallel.

81. The attachment element of any preceding clause, wherein the top side of the distal arm is parallel to the bottom side of the distal arm.

82. The attachment element of any preceding clause, wherein the bottom side of the proximal arm is angled with respect to the top side of the proximal arm.

83. The attachment element of clam 82, wherein the angle between the top side of the proximal arm and the bottom side of the proximal arm is between 5 and 20 degrees, optionally wherein the angle is between 14 to 18 degrees, and further optionally wherein the angle is 16 degrees.

84. The attachment element of any of clauses 83 or 84, when dependent on any of clauses 6 or 7, wherein the angle between the top side of the proximal arm and the bottom side of the proximal arm is the same as the angle between the anterior side of the tooth and the distal arm.

85. The attachment element of any preceding clause, wherein the first recess and the second recess are joined to form a single cavity.

86. The attachment element of clause 85, wherein the first recess and second recess share a base.

87. The attachment element of clause 86, wherein the base is parallel with the posterior side of the tooth.

88. The attachment element of any of clauses 86 or 87, wherein the base is parallel with the top of the distal arm.

89. The attachment element of any of clause 86-88, wherein the base is parallel with the top of the proximal arm.

90. The attachment element of any of clauses 86-89, wherein the distance between the base and the underside of the proximal arm is less than the distance between the base and the underside of the distal arm.

91. The attachment element of any of clauses 86-90, wherein the distance between the base and the top of the proximal arm is less than the distance between the base and the underside of the distal arm.

92. The attachment element of any preceding clause, wherein the distal arm is shaped as an elongate bar in cross section.

93. The attachment element of any preceding clause, wherein the secondary element comprises an attachment bar.

94. The attachment element of clause 93, wherein the attachment bar forms part of a cavity tray.

95. The attachment element of any of clauses 93 or 94, wherein the bar is flat, such that the length and width of the bar are greater than the depth of the bar, optionally wherein the depth of the bar is 0.5mm.

96. The attachment element of any of clauses 93-95, wherein either side of the bar is a void, and wherein the voids are at least a distance x in length, optionally where x is 8mm to 12mm, and further optionally wherein x is lOmm.

97. The attachment element of any of clauses 93-96, when dependent on any of clauses 86-91, wherein the distance between the base and the top of the proximal arm is less than the distance between the base and the underside of the distal arm, and wherein the difference between these distances is equal to the depth of the bar optionally wherein equal includes an additional tolerance, for example of 0.1mm.

98. The attachment element of any of clauses 93-97, when dependent on clause 75, wherein the second passage has a depth equal to the depth of the bar, optionally wherein equal includes an additional tolerance, for example of 0.1mm.

99. The attachment element of any of clauses 93-98, wherein the width of the bar is greater than the width of the channel.

100. The attachment element of any of clauses 93-99, wherein the length of the distal arm is 0.5mm greater than the width of the bar.

101. The attachment element of any of clauses 93-100, when dependent on clause 75, wherein the length of the second passage is at least half the width of the bar.

102. The attachment element of any of clauses 93-101, when dependent on clause 75, wherein the length of the base to the entrance of the second passage is at least 0.5mm greater than the width of the bar.

103. The attachment element of any of clauses 93-102, wherein the distance between the end of the proximal arm and the tooth is at least half of the width of the bar.

104. The attachment element of clause 96, wherein the length of the top side of the distal arm is at least 1mm smaller than x.

105. The attachment element of either of clauses 96 or 104, wherein the length of tooth to the rear of the distal arm is at least lmm smaller than x.

106. A cavity tray comprising a first sheet comprising a plurality of edges; at a first edge there is a first void extending from the edge towards the interior of the sheet; at the end of the first void is a bar of material such that a first side of the bar is adjacent the first void; adjacent the second side of the bar is a second void, wherein the second void is entirely surrounded by material of the sheet.

107. The cavity tray of clause 106, wherein the bar has a width of between 3mm and 7mm, preferably 5mm.

108. The cavity tray of any of clauses 106 or 107, wherein the void extends between 8mm and 12mm into the interior of the cavity, preferably wherein it extends lOmm.

109. The cavity tray of any of clauses 106-108, wherein the second void extends away from the bar for a distance of at least 8mm to 12mm, optionally lOmm.

110. The cavity tray of any of clauses 106-109, wherein the cavity tray further comprises: at the first edge, or an edge adjacent the first edge, a third void extending from the edge towards the interior of the sheet; at the end of the third void a second bar of material such that a first side of the second bar is adjacent the third void; adjacent the second side of the second bar a fourth void, wherein the fourth void is entirely surrounded by material of the sheet.

111. An assembly comprising the attachment element of clauses 71-105 incorporated into a masonry support bracket, and a cavity tray of any of clauses 30 106-110.

112. A masonry support element comprising the attachment means of any of clauses 71-105.

113. The masonry support element of clause 112, wherein the masonry support element is a masonry support bracket.

114. A method of attaching the attachment element of any of clauses 71-105, with a secondary element comprising an elongate flat bar, the method comprising: positioning the bar on the top of the proximal arm; sliding the bar into the first passage below and parallel the distal arm; pivoting the bar such that the bas is parallel with the anterior side of the tooth; sliding the bar into the first recess below and parallel the proximal arm; pivoting the bar to be parallel with the base.

115. The method of clause 114, further comprising the step of sliding the bar into the second passage.

116. The method of any of clauses 114 or 115, wherein the secondary element comprises a cavity tray, the attachment element is attached to a masonry support element, and the method is a method of attaching a cavity tray to a masonry support element.

117. The method of clause 116, wherein the cavity tray is the cavity tray of any of clauses 106-110.

Claims (24)

1. Claims 1. A cavity tray comprising a first sheet comprising a plurality of edges; at a first edge there is a first void extending from the edge towards the interior of the sheet; at the end of the first void is a bar of material such that a first side of the bar is adjacent the first void; adjacent the second side of the bar is a second void, wherein the second void is entirely surrounded by material of the sheet.
2. 2. The cavity tray of claim 1, wherein the bar has a width of between 3mm and 7mm, preferably 5mm.
3. 3. The cavity tray of any of claims 1 or 2, wherein the void extends between 8mm and 12mm into the interior of the cavity.
4. 4. The cavity tray of any of claims 1-3, wherein the second void extends away from 15 the bar for a distance of at least 8mm to 12mm.
5. 5. The cavity tray of any of claims 1-4, wherein the cavity tray further comprises: at the first edge, or an edge adjacent the first edge, a third void extending from the edge towards the interior of the sheet; at the end of the third void a second bar of material such that a first side of the second bar is adjacent the third void; adjacent the second side of the second bar a fourth void, wherein the fourth void is entirely surrounded by material of the sheet.
6. 6. The cavity tray of any of claims 1-5, wherein the bar is flat, such that the length and width of the bar are greater than the depth of the bar, optionally wherein the depth of the bar is 0.5mm.
7. 7. An assembly comprising a cavity tray of any of claims 1-6, and an attachment element, the attachment element comprising: a proximal arm; a distal arm; a channel between the proximal arm and the distal arm; the channel leading to a first recess positioned below the proximal arm and a second recess positioned below the distal arm; and a tooth positioned within the second recess.
8. 8. The assembly of claim 7, wherein the attachment element is positioned on a masonry support element, optionally wherein the masonry support element is a masonry support bracket, and is configured to attach to a building structure.
9. 9. The assembly of claim 8, wherein the proximal arm is located on the masonry support element, and/or wherein the distal arm is located on the masonry support element.
10. 10. The assembly of claims 7-9, wherein the second recess of the attachment element is divided by the tooth into a first passage adjacent the channel and the anterior of the tooth, and a second passage adjacent the posterior of the tooth, optionally wherein the anterior side of the tooth is angled relative to the underside of the distal arm, optionally wherein the angle between the anterior side of the tooth and the distal arm is between 5 and 20 degrees, optionally wherein the angle is between 14 to 18 degrees, and further optionally wherein the angle is 16 degrees.
11. 11. The assembly of claims 7-10, wherein the arms of the attachment element are angled with respect to the vertical of the masonry support element, optionally wherein the proximal arm extends from a position above the distal arm.
12. 12. The assembly of claims 7-11, wherein the top side of the distal arm of the attachment element and the top side of the proximal arm are parallel.
13. 13. The assembly of claims 7-12, wherein the top side of the distal arm of the attachment element is parallel to the bottom side of the distal arm.
14. 14. The assembly of claims 7-13, wherein the bottom side of the proximal arm of the attachment element is angled with respect to the top side of the proximal arm, optionally wherein the angle between the top side of the proximal arm and the bottom side of the proximal arm is between 5 and 20 degrees, optionally wherein the angle is between 14 to 18 degrees, and further optionally wherein the angle is 16 degrees.
15. 15. The assembly of claims 7-14, wherein the angle between the top side of the proximal arm of the attachment element and the bottom side of the proximal arm is the same as the angle between the anterior side of the tooth and the distal arm.
16. 16. The assembly of claims 7-15, wherein the first recess and the second recess are joined to form a single cavity, optionally wherein the first recess and second recess share a base, optionally wherein the base is parallel with the posterior side of the tooth, optionally wherein the base is parallel with the top of the distal arm.
17. 17. The assembly of claim 16, wherein the base is parallel with the top of the proximal arm.
18. 18. The assembly of any of claims 16-17, wherein the distance between the base and the underside of the proximal arm is less than the distance between the base and the underside of the distal arm.
19. 19. The assembly of any of claims 16-18, wherein the distance between the base and the top of the proximal arm is less than the distance between the base and the underside of the distal arm.
20. 20. The assembly of claims 7-119, wherein the distal arm of the attachment element is shaped as an elongate bar in cross section.
21. 21. The assembly of claims 7-20, wherein the distance between the base of the attachment element and the top of the proximal arm is less than the distance between the base and the underside of the distal arm, and wherein the difference between these distances is equal to the depth of the bar of the cavity tray optionally wherein equal includes an additional tolerance, for example of 0.1mm; and/or wherein the second passage of the attachment element has a depth equal to the depth of the bar of the cavity tray, optionally wherein equal includes an additional tolerance, for example of 0.1mm; and/or wherein the width of the bar of the cavity tray is greater than the width of the channel of the attachment element; and/or wherein the length of the distal arm of the attachment element is 0.5mm greater than the width of the bar of the cavity tray; and/or wherein the length of the second passage of the attachment element is at least half the width of the bar of the cavity tray; and/or wherein the length of the base to the entrance of the second passage of the attachment element is at least 0.5mm greater than the width of the bar of the cavity tray; and/or wherein the distance between the end of the proximal arm and the tooth of the attachment element is at least half of the width of the bar of the cavity tray.
22. 22. A method of attaching the assembly of claims 7-21, comprising a method of attaching the cavity tray and the attachment element, the method comprising: positioning the bar of the cavity tray on the top of the proximal arm of the attachment element; sliding the bar into the first passage below and parallel the distal arm; pivoting the bar such that the bar is parallel with the anterior side of the tooth; sliding the bar into the first recess below and parallel the proximal arm; pivoting the bar to be parallel with the base.
23. 23. The method of claim 22, further comprising the step of sliding the bar into the second passage.
24. 24. The method of any of claims 22 or 23, wherein the attachment element is attached to a masonry support element, and the method is a method of attaching the cavity tray to the masonry support element.