EP2581510B1 - Élément d'isolation d'un profilé d'évacuation d'eau d'un mur creux et procédé d'isolation autour d'un profilé d'évacuation d'eau d'un mur creux - Google Patents

Élément d'isolation d'un profilé d'évacuation d'eau d'un mur creux et procédé d'isolation autour d'un profilé d'évacuation d'eau d'un mur creux Download PDF

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Publication number
EP2581510B1
EP2581510B1 EP12188586.7A EP12188586A EP2581510B1 EP 2581510 B1 EP2581510 B1 EP 2581510B1 EP 12188586 A EP12188586 A EP 12188586A EP 2581510 B1 EP2581510 B1 EP 2581510B1
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EP
European Patent Office
Prior art keywords
cavity
cavity tray
tray
insulating member
insulation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12188586.7A
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German (de)
English (en)
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EP2581510A2 (fr
EP2581510A3 (fr
Inventor
Eoghan Hynes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xtratherm Ltd
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Xtratherm Ltd
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Publication date
Priority claimed from GB1122289.0A external-priority patent/GB2499777A/en
Application filed by Xtratherm Ltd filed Critical Xtratherm Ltd
Publication of EP2581510A2 publication Critical patent/EP2581510A2/fr
Publication of EP2581510A3 publication Critical patent/EP2581510A3/fr
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Publication of EP2581510B1 publication Critical patent/EP2581510B1/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
    • E04D13/147—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs
    • E04D13/1478—Junctions to walls extending above the roof
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/70—Drying or keeping dry, e.g. by air vents
    • E04B1/7038—Evacuating water from cavity walls, e.g. by using weep holes
    • E04B1/7046—Evacuating water from cavity walls, e.g. by using weep holes using trays

Definitions

  • This invention relates to a method of insulating around a cavity tray in a cavity wall, the cavity wall comprising an inner leaf of blockwork and an outer leaf of brickwork defining a cavity therebetween, and at least one cavity tray to be secured in position in the cavity on the outer leaf of brickwork.
  • the present invention further relates to a method of constructing an insulated cavity wall, and to a cavity tray insulating member for insulating around a cavity tray.
  • the cavity trays are required adjacent the junction between a two storey gable wall and a single story extension roof to help evacuate water that has made its way through the outer leaf of brickwork into the cavity between the outer leaf of brickwork and the inner leaf of blockwork. Without the cavity trays, water that had made its way into the cavity between the outer leaf of brickwork and the inner leaf of blockwork would gather within the cavity wall and eventually cause damage to the interior of the building. Therefore, it is necessary to provide the cavity trays to help divert water from inside the cavity back out to the exterior of the outer leaf of brickwork. However, due to the fact that the cavity trays project inwardly into the cavity, the cavity trays interrupt the insulation continuity within the cavity, thereby causing performance deterioration of the wall insulation at the cavity tray line.
  • JPH08120801 (Sekisui Chemical Co Ltd) discloses a substantially C-shaped construction member according to the preamble of claim 1.
  • UK2404203 (Lucas ) discloses an insulation member with a layer of water resistant material mounted thereon.
  • a method of insulating around a cavity tray in a cavity wall comprising the steps of:
  • the amount of cutting and the precision of cutting required to insulate around the cavity tray is significantly reduced. This will simplify and speed up the process of insulating around the cavity trays. The tradesperson will no longer be dissuaded from installing insulation around the cavity tray as it will be far easier than was heretofore the case. Accordingly, as the walls will be properly insulated, it will be less common to have thermal bridging issues, thereby preventing heat loss, condensation and mould growth.
  • a method comprising the intermediate step of shaping the cavity tray insulating member from a substantially flat layer of insulating material into a C-shaped channel.
  • a method comprising the step of, before placing the additional insulation in the cavity on top of the forwardly projecting arm of the C-shaped cavity tray that is positioned above the intended location of the cavity tray, placing a damp proof course (DPC) member on top of that forwardly projecting arm.
  • DPC damp proof course
  • a method comprising the step of placing a Z-shaped DPC member on the forwardly projecting arm, the Z-shaped DPC having a central portion and a pair of legs protruding outwardly in opposite directions with respect to each other from the central portion and substantially orthogonally with respect to the central portion, with one leg of the Z-shaped DPC extending upwardly along the inner leaf of blockwork, the central portion of the Z-shaped DPC extending forwardly along the forwardly projecting arm and the other leg of the Z-shaped DPC extending downwardly in front of the forwardly projecting arm for location between the arm and the outer layer of brickwork.
  • DPC member This is seen as a particularly effective construction of DPC member to use with the method according to the invention and is also seen as an effective way of mounting the DPC member onto the cavity tray insulation member in such a way that the DPC member will direct as much moisture from the cavity back out through the outer leaf of brickwork.
  • a method comprising the step of cutting the cavity tray insulation member in a straight line across the cavity tray insulation member and at one end of the cavity tray insulation member, at an angle corresponding to the pitch of a roof so that the lateral side of the cavity tray insulation member is substantially orthogonal to the ground.
  • a method comprising the step of taping the arm of the cavity tray insulating member positioned below the intended location of the cavity tray to the insulation in the cavity therebelow.
  • a method comprising the step of securing the C-shaped cavity tray to the inner leaf of blockwork.
  • a method of constructing an insulated cavity wall comprising the steps of:
  • an adequately insulated cavity wall can be constructed and finished in a faster, more efficient manner than was heretofore the case.
  • the insulation of the cavity wall will not delay the construction of the remainder of the wall as much as was previously the case. Accordingly, the structure can be finished and weatherproofed sooner than was heretofore the case which is advantageous.
  • a method comprising the intermediate step of, prior to providing insulation board on the inner leaf of blockwork above the cavity tray insulating member, mounting a damp proof course on the uppermost arm of the cavity tray insulating member.
  • a method comprising the intermediate step of shaping the cavity tray insulating member from a substantially flat layer of insulating material into a C-shaped channel.
  • a cavity tray insulating member for insulating around a cavity tray in a wall insulation installation, the cavity tray insulating member comprising a substantially C-shaped channel constructed from an insulating material, the C-shaped channel comprising an elongate trunk and a pair of arms bridged by the trunk and projecting forwardly therefrom from a pair of opposing longitudinal sides of the elongate trunk, and in which the cavity tray insulating member is constructed from a unitary sheet of insulating material, the unitary sheet of insulating material having a pair of substantially parallel V-shaped grooves extending along its length about which the member may be bent from a substantially flat configuration into the C-shaped channel configuration, characterised in that there is provided a damp proof course (DPC) member connected to one of the arms and extending along the length of one of the arms, and in which the DPC member is substantially Z-shaped, the DPC member having a central portion and a pair of legs protruding outwardly from the central portion in opposite directions with respect
  • DPC damp proof course
  • the cavity tray insulating member is dimensioned to fit around the cavity tray and provide insulation around the cavity tray. It is not necessary to accurately cut the cavity tray insulating member so that it will fit between the cavity trays and therefore the construction of cavity tray insulation member will simplify and speed up the insulation process.
  • the C-shaped channel configuration will provide good insulation continuity with the insulation panels above and below the cavity trays thereby maximizing the performance of the insulation as a whole.
  • the cavity tray insulating member will promote egress of water from the cavity as the DPC will capture water coming down the interior of the cavity, even if the water should be on the inner leaf of blockwork, and will direct that water towards the cavity trays from where it will be expelled through the outer leaf of brickwork.
  • a cavity tray in which the cavity tray has a backing sheet of flexible material on a face of the body opposite the V-shaped grooves.
  • the backing sheet will hold the parts of the cavity tray together and will effectively act as a hinge between the arms and the trunk.
  • a cavity tray insulating member in which one of the V-shaped grooves has a groove angle of greater than 90°.
  • the arm of the cavity tray insulating member will form an acute angle with the trunk. If the cavity tray insulating member is installed so that this arm is the uppermost arm, this will promote run off of water on the arm into the cavity trays thereby promoting movement of water in the cavity towards the outer leaf of brickwork.
  • a cavity tray insulating member not forming part of the invention indicated generally by the reference numeral 1, the cavity tray insulating member 1 comprising an elongate, substantially C-shaped or channel-shaped body 3 constructed from an insulating material, the channel-shaped body 3 comprising a trunk 5 and a pair of arms 7, 9 bridged by the trunk 5 and projecting forwardly therefrom.
  • the cavity tray insulating member 1 is constructed from a single sheet of insulating material, the single sheet of insulating material having a pair of substantially V-shaped grooves 11, 13 extending along the entire length of the cavity tray insulating member 1.
  • a backing sheet of flexible material (not shown) is provided on a rear face 15 of the cavity tray insulating member 1.
  • This construction will enable the cavity tray insulating member to be stored and transported in a flat configuration as shown in Figure 1 and transformed easily on site into a channel shaped configuration as shown in Figure 2 .
  • this construction will simplify the manufacture of the cavity tray insulating member 1 as the V-shaped grooves may be simply cut out of a single unitary piece of insulating material with a saw or other cutting device.
  • FIG. 6 there is shown a pair of arrows, A, that indicate the direction in which the arms 7, 9 are folded inwards about the V-shaped grooves 11, 13 to form the channel-shaped body 3 (as illustrated in Figure 2 ).
  • the V-shaped grooves extend practically the entire way from front to back across the single sheet of insulating material and form a V-shaped groove with an angle of approximately 90 degrees.
  • the angle of the V-shaped groove for one or both grooves can be more than 90 degrees, for example approximately 100 degrees.
  • the arm 7, 9 will form an acute angle of approximately 80 degrees with the trunk 5 and the arm will effectively be pointing inwardly towards the other arm on a converging path.
  • the angle that the arm 7, 9 makes with the trunk 5 is indicated by the letter B in Figure 4 . If the arm forms an acute angle with the trunk, this will facilitate water run-off in the desired direction as will be further understood with reference to the following description showing the cavity tray insulation member in position in the cavity.
  • FIGS 7(a) and 7(b) there are shown a pair of views of a cavity tray insulation member, similar to those shown in Figures 1 and 2 respectively, in which the ends 12, 14 of the cavity tray have been cut in a straight line at an angle so that the ends 12, 14 will be substantially perpendicular to the ground when the cavity tray insulation member is mounted in the cavity wall installation. This will be understood further with reference to the following description of the method of installation of the cavity tray insulation member.
  • the cavity tray insulation member 16 comprises a damp proof course (DPC) member 17 mounted on one arm 7 thereof.
  • the DPC 17 is substantially Z-shaped and comprises a central portion 18 and a pair of legs 19, 20 protruding outwardly in opposite directions with respect to each other from the central portion 18 and substantially orthogonally with respect to the central portion.
  • One leg 19 of the Z-shaped DPC is arranged to extend upwardly along the inner leaf of blockwork (not shown) whereas the central portion 18 of the Z-shaped DPC extends forwardly along the forwardly projecting arm 7.
  • the other leg 20 of the Z-shaped DPC extends downwardly in front of the forwardly projecting arm 7 for location between the arm and an outer layer of brickwork (not shown).
  • the DPC 17 is permanently secured to the cavity tray insulation member 16 by an adhesive however it will be understood that the DPC could be installed on site if desired.
  • FIG. 9 there is shown a cross-sectional view of a gable wall 21 with wall insulation in which the cavity tray insulating member 1 according to the invention has been installed.
  • the gable wall comprises an inner leaf of blockwork 23, an outer leaf of brickwork 25 and a plurality of cavity trays 27 inserted between the bricks 28 of the outer leaf of brickwork 25 and extending inwardly into a cavity 29 between the inner leaf of blockwork 23 and the outer leaf of brickwork 25.
  • the cavity trays 27 comprise a mounting plate 31 that sits intermediate a pair of adjacent bricks 28 and a winged plate 33 that extends inwardly into the cavity to collect water and direct the water towards the mounting plate 31.
  • the function of the cavity tray 27, as is well known in the art, is to collect water that seeps in through the outer leaf of brickwork 25 above the cavity trays and that travels down the inner surface 35 of the outer leaf of brickwork 25, and to direct that water back out through the outer leaf of brickwork 25 onto the roof of the single story extension (not shown) just below the cavity trays. Without the cavity trays, the water would travel down to the bottom of the cavity 29 and would gather in the cavity before seeping in through the inner leaf of blockwork 23 causing damage to the property.
  • the wall insulation comprises a lower insulation board 41 and an upper insulation board 43 as well as the channel-shaped cavity tray insulating member 1 sandwiched therebetween. It can be seen that the channel shaped cavity tray insulating member 1 presents a flat surface to both the lower insulation board 41 and the upper insulation board 43.
  • the wall insulation comprises a damp proof course (DPC) member 17 which is substantially Zee-shaped and has been fitted to the cavity tray insulating member once the cavity tray insulating member has been put in position in the cavity.
  • DPC damp proof course
  • the DPC member 17 has a first leg 19 that fits behind the upper insulation board 43 between the upper insulation board 43 and the inner leaf of blockwork 23, a central portion 18 that extends outwardly over the upper arm 7 of the channel-shaped cavity tray insulating member 1 and a second leg 20 that depends downwardly in front of the arm 7 of the cavity tray insulating member between the cavity tray insulating member 1 and the outer leaf of brickwork 25. In this way, water will not travel from the outer brickwork to the inner blockwork and water will be directed into the cavity trays 27 and from there back out to the exterior of the outer leaf of brickwork 25.
  • Figures 10(a) to 10(d) inclusive and 11(a) to 11(g) inclusive there are shown some diagrammatic representations illustrating the known building practices and more specifically representations illustrating the lack of insulation at the junction between the gable wall and a single story extension wall ( Figures 10(a) to 10(d) inclusive) as well as some representations illustrating the complexity of insulating the cavity at this junction in accordance with the known preferred method ( Figures 11(a) to 11(g) inclusive).
  • FIG. 10(a) to 10(d) there is shown a diagrammatic representation of the junction between a single story extension and a gable main wall insulated in accordance with current practice.
  • the single story extension has a roof 51 that abuts against the gable wall 21.
  • the gable wall comprises an inner leaf of blockwork 23 and an outer leaf of brickwork 25.
  • the full fill insulation comprises an upper insulation member 43 and a lower insulation member 41.
  • FIG. 10(a) it can be seen that there is a lower layer of block insulation 41 and an upper layer of block insulation 43 with a gap 53 therebetween.
  • the gap 53 is provided to allow for the provision of cavity trays (not shown) mounted on an outer layer of brickwork (not shown) which will extend inwardly into the gap 53 above the lower layer of block insulation 41 and below the upper layer of block insulation 43.
  • the lower layer of block insulation and the upper layer of block insulation 41 are attached to the inner leaf of blockwork 23.
  • FIG 10(b) the position of a plurality of cavity trays 27 relative to the lower and upper layers of block insulation is shown in the absence of the outer layer of brickwork for clarity.
  • FIG. 10(c) there is shown a view of the cavity wall 21 where the outer layer of brickwork 25 up to and including the course of bricks that support the cavity trays in position on the outer leaf of brickwork 25 are shown and finally referring to Figure 10(d) , there is shown a view of the outer leaf of brickwork completed and the roof 51 of the single story extension in position below the level of the cavity trays 27 in the gable main wall 21.
  • the upper insulation member 43 terminates just above the cavity trays 27 and that the lower insulation member 41 terminates just below the cavity trays 27.
  • the insulation of the full fill insulation does not extend into the area with the cavity trays 27.
  • This gap 53 represents a cold thermal bridge between the exterior of the gable wall 21 and the interior of the gable wall 21.
  • This cold thermal bridge is highly undesirable for a number of reasons.
  • the cold thermal bridge reduces the overall U-value of the insulation for the premises.
  • the lack of insulation can lead to condensation on the uninsulated surface of the inner wall thereby leading to moisture. This moisture can cause damage, mould or rot in the building over time and is very difficult and expensive to treat and rectify. Even though it is highly disadvantageous to not insulate between the cavity trays, this is typically how the junction with the cavity trays is handled.
  • FIGS 11(a) to 11(g) inclusive there are shown some diagrammatic representations of the junction between a single storey extension and a two storey gable main wall insulated in accordance with current recommended best practice, where like parts have been given the same reference numerals as before.
  • FIGs 11(e) to 11(g) inclusive it can be seen that the full-fill insulation is continuous and there are a number of intermediate insulation slats 61 mounted one on top of the other between the upper insulation member 43 and the lower insulation member 41.
  • the insulation slats 61 fit between the cavity trays 27 and each slat must be cut individually on site which is time consuming and difficult to do. This is typically why the recommended practice is often not followed.
  • the installation of insulation according to this known method will now be described in more detail below.
  • FIG. 11 (a) there is shown the profile shape of the lower insulation member 41 that illustrates the complexity of the shape that must be cut on site in order to provide full fill insulation according to the recommended guidelines.
  • the upper surface of the lower insulation member 41 is cut according to the shape, angle and spacing of the wings 33 of the cavity trays.
  • Figures 11(b) and 11(c) there are shown a pair of views of the insert pieces 63 that must be cut in order to fit in the void between an adjacent pair of cavity trays 27.
  • the cavity trays 27 have been removed from Figure 11 (b) in order to show the insert pieces 63 more clearly and the cavity trays have been introduced in Figure 11(c) to demonstrate the positioning of the insert pieces 63 relative to the cavity trays 27.
  • insert pieces 63 are merely truncated intermediate insulation slats 61 (such as those shown in Figures 11(d) to 11(f) inclusive) and usually what would be required is for the craftsman to cut a piece of insulation to the shape and length of the intermediate insulation slat 61 as illustrated in Figure 11(d) .
  • the lower insulation member 41 is attached to the inner leaf of blockwork 23.
  • the outer leaf of brickwork 25 is then built up to the level of the first, lowermost, cavity tray 27 (the leftmost cavity tray shown in Figures 11(c)-11(e) ), which is then installed in the usual manner.
  • a first intermediate insulation slat 61 is then cut to shape and inserted above the first cavity tray 27.
  • Another course of bricks is added to the outer leaf of brickwork and a second cavity tray is placed above the first cavity tray, on top of the first intermediate insulation slat 61.
  • a second intermediate insulation slat 61 is then cut to size and placed above the second cavity tray.
  • a further course of bricks is added to the outer leaf of brickwork 25 and a third cavity tray is placed above the first and second cavity trays, and directly above the second intermediate insulation slat 61. These steps are repeated until all of the cavity trays and intermediate insulation slats 61 are in position as illustrated in Figure 11(f) (some of the bricks from the courses of bricks have been removed in order to show the intermediate insulation slats 61 and a plurality of external DPC members 28 known in the art are mounted on the outer leaf of brickwork 25). Finally, the remaining bricks in the outer leaf of brickwork 25 are laid and the single story roof 51 is mounted against the gable wall 21 as shown in Figure 11 (g) .
  • FIG. 12(a) to 12(g) inclusive there is shown an example of a method of insulating around the cavity trays 27 in a cavity wall 21, where like parts have been given the same reference numeral as before.
  • a cavity tray insulating member 1 as described in detail above with regard to Figures 1 to 6 inclusive is used to insulate around the cavity trays 27 at the junction of the two storey gable wall and the single storey extension roof 51.
  • a lower insulating member 41 is cut at an appropriate angle corresponding to the pitch of the roof (not shown).
  • the lower insulating member s cut in a straight line rather than in the stepped fashion known in the art and as illustrated in Figure 11(a) above. This cut is far simpler and quicker to execute.
  • the lower insulating member 41 is attached to the inner leaf of blockwork 23 in the known manner.
  • one arm 9 of a cavity tray insulating member 1 is bent inwardly and the cavity tray insulating member 1 is placed above the lower insulation member 41 with the arm 9 resting on the lower insulation member 41.
  • the cavity tray insulating member 1 is mechanically fixed in position to the inner leaf of blockwork 23 using one or more tacks 42, only one of which is shown prior to being inserted into the cavity tray insulating member to secure it in position.
  • the outer leaf of brickwork 25 is then built up outside the lower insulation member 41 and the cavity trays 27 are inserted into the courses of bricks above the intended junction between the gable wall and the extension roof (not shown).
  • a DPC 17 is placed over the uppermost arm 7 of the channel-shaped cavity tray insulating member 1.
  • One leg 19 of the DPC 17 rests against the inner leaf of blockwork 23 and the other leg 20 of the DPC extends downwardly over the leading edge of the arm 7 to meet the outer leaf of brickwork 25 and direct moisture back into the cavity trays 27.
  • An upper insulating member 43 is then cut at an appropriate angle to correspond to the top surface of the DPC and more specifically the arm 7 of the cavity tray insulating member 1 before the upper insulating member 43 is attached to the inner leaf of blockwork 23 ( Figure 12(f) ).
  • the outer layer of brickwork 25 and the roof 51 of the single story extension can thereafter be completed. It can be seen from the foregoing that the amount of cutting and the precision of cutting required are significantly reduced. In fact, the tradesperson may only need to make two cuts (one for the upper insulation member and one for the lower insulation member) or indeed one cut if they use one part of the cut insulating member as the upper insulating member and the other part of the cut insulating member as the lower insulating member. A simple straight cut will suffice. All they need to ensure is that the cut made matches the pitch of the roof.
  • one or both ends of the cavity tray insulating member 1 may also be cut at an angle corresponding to the pitch of the roof so that the ends are substantially perpendicular to the ground. This will significantly simplify the process of insulating at this junction and also will significantly speed up the insulation process. Furthermore, there will be provided a continuous insulation layer in the cavity which is highly desirable and advantageous and allows for the primary purpose of the cavity trays to be maintained, namely, the diversion of moisture from inside the cavity to outside.
  • the V-shaped grooves are cut at an angle of 90 degrees however one or both V-shaped grooves could be cut at an angle of greater than 90 degrees which in the case of channel 11 would cause the arm 7 to be at an acute angle with respect to the trunk and slope downwardly from the inner leaf of blockwork 23 to the outer leaf of brickwork 25.
  • This facilitates routing any water on the upper surface of the arm 7 or more specifically the DPC into the cavity trays.
  • the DPC is connected to the cavity tray insulating member 1 as illustrated in Figures 8(a) and 8(b) and the cavity tray insulating member and the DPC are transported together.
  • the DPC 17 could be affixed to the arm 7 along its length so that the DPC is installed simultaneously with the cavity tray insulating member.
  • the DPC may be constructed from a pliable material such as a thin metal strip that can be transported flat and then bent into the Z-shape configuration on site.
  • the inside, lower edge 62 of the upper arm 7 could be chamfered in order to enable the arm to pivot downwardly about the fold line provided by the V-shaped groove 11 without being interfered with by a brick of the outer leaf of brickwork.
  • the cavity tray insulating member 1 will be provided in a variety of different sizes, including differing lengths, widths, heights, channel widths and the like to accommodate different sizes of cavity trays and different pitches of roof, for example.
  • the cavity tray insulating member 1 will be constructed from an insulating material such as EPS, PIR, Phenolic or other rigid or semi-rigid insulation material.
  • the backing material that acts as a hinge could be provided by an aluminium laminate.
  • the backing material could be provided on one or both faces of the cavity tray insulating member and could further be provided with an adhesive backing to allow it to be stuck onto or applied to the face of the cavity tray insulating member.
  • the cavity tray insulating member may comprise a pair of substantially L-shaped parts that when brought together form the C-shaped channel.
  • the trunk 5 of the cavity tray insulating member could be divided lengthways, such as along a central longitudinal axis and the two L-shaped parts would come together, end to end, along that central longitudinal axis to form the C-shaped channel.
  • there would be a two part cavity tray insulating member comprising a lower cavity tray insulating member and an upper cavity tray insulating member.
  • the lower cavity tray insulating member would be put in place first with the arm 9 resting on the board insulation 41 therebelow and the part of the trunk 5 abutting against the internal blockwork 23.
  • the upper and lower cavity tray insulating members may be cut from insulating material into an L-shape or indeed may be provided from a flat sheet with a cut along their length, similar to the cuts described above with reference to the C-shaped cavity tray insulating member, so that the upper and lower L-shaped cavity tray insulating members may be provided and transported substantially flat and then folded into the L-shaped configuration on site.
  • the example used has been of a two storey gable wall and single storey extension roof. However, it will be understood that this is for illustrative purposes only and the present invention is not limited to two storey/single storey junctions but rather any junction where the cavity trays are in place, regardless of where it may be positioned. It is envisaged that the cavity tray insulating member according to the invention may be used in other DPC areas such as over heads/lintels and penetrations.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Claims (13)

  1. Elément isolant de solin (1) destiné à isoler autour d'un solin (27) dans une installation d'isolation murale, l'élément isolant de solin (1) comprenant un profilé sensiblement en forme de C (3) construit à partir d'un matériau isolant, le profilé en forme de C comprenant un tronc allongé (5) et une paire de bras (7, 9) raccordés par le tronc (5) et saillant vers l'avant de celui-ci depuis une paire de côtés longitudinaux opposés du tronc allongé, et l'élément isolant de solin (1) étant construit à partir d'une feuille unitaire de matériau isolant, la feuille unitaire de matériau isolant ayant une paire de rainures en forme de V (11, 13) sensiblement parallèles s'étendant sur sa longueur autour desquelles l'élément peut être fléchi d'une configuration sensiblement plate en la configuration de profilé en forme de C, par lequel est fourni un élément de barrière d'étanchéité (DPC) (17) raccordé à l'un des bras (7) et s'étendant le long de l'un des bras, caractérisé en ce que l'élément DPC (17) est sensiblement en forme de Z, l'élément DPC ayant une partie centrale (18) et une paire de jambes (19, 20) saillant vers l'extérieur depuis la partie centrale dans des sens opposés l'une par rapport à l'autre et saillant sensiblement orthogonalement par rapport à la partie centrale.
  2. Elément isolant de solin (1) selon la revendication 1, dans lequel le solin a une feuille de support de matériau souple sur une face (15) du corps opposée aux rainures en forme de V.
  3. Elément isolant de solin (1) selon les revendications 1 ou 2, dans lequel l'une des rainures en forme de V (11, 13) a un angle de rainure de plus de 90°.
  4. Procédé d'isolation autour d'un solin (27) dans un mur creux, le mur creux comprenant une paroi interne de maçonnerie en parpaing (23) et une paroi externe de briquetage (25) définissant une cavité (29) entre elles, et au moins un solin (27) destiné à être fixé en place dans la cavité sur la paroi externe de briquetage, le procédé comprenant les étapes consistant à :
    (a) placer un panneau isolant (41) dans la cavité entre la paroi interne de maçonnerie en parpaing et la paroi externe de briquetage jusqu'à un niveau en dessous de l'emplacement prévu du solin ; caractérisé en ce que le procédé comprend les étapes supplémentaires consistant à :
    (b) fournir un élément isolant de solin (1) selon la revendication 1 comprenant un profilé sensiblement en forme de C (3) comprenant un tronc allongé (5) et une paire de bras (7, 9) raccordés par le tronc et saillant vers l'avant depuis celui-ci, et placer l'élément isolant de solin en forme de C au-dessus du panneau isolant (41) dans la cavité, l'un des bras saillant vers l'avant (9) étant positionné en dessous de l'emplacement prévu du solin (27) et l'autre des bras saillant vers l'avant (7) étant positionné au-dessus de l'emplacement prévu du solin, le tronc allongé (5) étant positionné adjacent à la paroi interne de maçonnerie en parpaing et les extrémités libres des bras faisant face à la paroi externe de briquetage ; et
    (c) placer un panneau isolant supplémentaire (43) dans la cavité au-dessus de l'élément isolant de solin en forme de C sur le bras saillant vers l'avant (7) positionné au-dessus de l'emplacement prévu du solin (27).
  5. Procédé selon la revendication 4 comprenant l'étape intermédiaire consistant à former l'élément isolant de solin (1) à partir d'une couche sensiblement plate de matériau isolant en un profilé en forme de C.
  6. Procédé selon la revendication 4 ou 5, comprenant l'étape de fixation de l'élément isolant de solin en forme de C (1) à la paroi interne de maçonnerie en parpaing (23).
  7. Procédé selon les revendications 4 à 6, comprenant l'étape consistant à, avant de placer le panneau isolant supplémentaire (43) dans la cavité (29) au-dessus du bras saillant vers l'avant (7) de l'élément isolant de solin en forme de C (1) qui est positionné au-dessus de l'emplacement prévu du solin, placer l'élément de barrière d'étanchéité (DPC) (17) au-dessus de ce bras saillant vers l'avant.
  8. Procédé selon la revendication 7, comprenant l'étape de placement d'un élément DPC en forme de Z (17) sur le bras saillant vers l'avant (7), l'élément DPC en forme de Z ayant une partie centrale (18) et une paire de jambes (19, 20) saillant vers l'extérieur dans des sens opposés l'une par rapport à l'autre depuis la partie centrale et sensiblement orthogonalement par rapport à la partie centrale, une jambe (19) de l'élément DPC en forme de Z s'étendant vers le haut le long de la paroi interne de maçonnerie en parpaing (23), la partie centrale (18) de l'élément DPC en forme de Z s'étendant vers l'avant le long du bras saillant vers l'avant (7) et l'autre jambe (20) de l'élément DPC en forme de Z s'étendant vers le bas devant le bras saillant vers l'avant (7) pour être placée entre le bras et la paroi externe de briquetage (25).
  9. Procédé selon les revendications 4 à 8, comprenant l'étape de coupe de l'élément isolant de solin (1) en ligne droite en travers de l'élément isolant de solin et à une extrémité de l'élément isolant de solin, à un angle correspondant à la pente d'un toit de telle sorte que le côté latéral (12, 14) de l'élément isolant de solin soit sensiblement orthogonal au sol.
  10. Procédé selon les revendications 4 à 9, comprenant l'étape de fixation du bras (9) de l'élément isolant de solin (1) positionné en dessous de l'emplacement prévu du solin sur le panneau isolant (41) dans la cavité inférieure par galon sur joint.
  11. Procédé de construction d'un mur creux isolé, le mur creux comprenant une paroi interne de maçonnerie en parpaing (23) et une paroi externe de briquetage (25) définissant une cavité (29) entre elles, et au moins un solin (27) fixé en place dans la cavité sur la paroi externe de briquetage, le procédé comprenant les étapes consistant à :
    fournir une paroi interne de maçonnerie en parpaing (23) ;
    fournir un panneau isolant (41) sur la paroi interne de maçonnerie en parpaing jusqu'à un niveau en dessous du niveau prévu du solin (27) ;
    fournir la paroi externe de briquetage (25) jusqu'à un niveau en dessous du niveau prévu du solin (27) ;
    fournir un élément isolant de solin (1) selon la revendication 1 comprenant un profilé sensiblement en forme de C (3) construit à partir d'un matériau isolant, le profilé en forme de C comprenant un tronc allongé (5) et une paire de bras (7, 9) raccordés par le tronc et saillant vers l'avant depuis celui-ci ;
    placer le tronc (5) de l'élément isolant de solin contre la paroi interne de maçonnerie en parpaing (23) adjacent à l'emplacement prévu du solin (27) dans la paroi externe de briquetage (25) et au-dessus du panneau isolant (41) existant sur la paroi interne de maçonnerie en parpaing, l'élément isolant de solin étant positionné de telle sorte qu'un bras (9) soit sensiblement en dessous du niveau prévu du solin et l'autre bras (7) soit sensiblement au-dessus du niveau prévu du solin ;
    fournir un panneau isolant (43) sur la paroi interne de maçonnerie en parpaing au-dessus de l'élément isolant de solin ;
    monter le solin (27) à son emplacement sur la paroi externe de briquetage (25) de telle sorte que le solin s'étende vers l'intérieur dans la cavité entre les bras (7, 9) de l'élément isolant de solin ; et
    fournir les rangées restantes de briques (28) dans la paroi externe de briquetage (25).
  12. Procédé selon la revendication 11, comprenant l'étape intermédiaire supplémentaire consistant à, avant de fournir le panneau isolant (43) sur la paroi interne de maçonnerie en parpaing au-dessus de l'élément isolant de solin, monter la barrière d'étanchéité (17) sur le bras le plus haut de l'élément isolant de solin.
  13. Procédé selon la revendication 11 ou 12, comprenant l'étape intermédiaire de formation de l'élément isolant de solin (1) à partir d'une couche sensiblement plate de matériau isolant en un profilé en forme de C (3).
EP12188586.7A 2011-10-14 2012-10-15 Élément d'isolation d'un profilé d'évacuation d'eau d'un mur creux et procédé d'isolation autour d'un profilé d'évacuation d'eau d'un mur creux Active EP2581510B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IE20110461 2011-10-14
GB1122289.0A GB2499777A (en) 2011-12-23 2011-12-23 A C-shaped insulating member for a cavity tray

Publications (3)

Publication Number Publication Date
EP2581510A2 EP2581510A2 (fr) 2013-04-17
EP2581510A3 EP2581510A3 (fr) 2014-02-19
EP2581510B1 true EP2581510B1 (fr) 2015-10-14

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EP12188586.7A Active EP2581510B1 (fr) 2011-10-14 2012-10-15 Élément d'isolation d'un profilé d'évacuation d'eau d'un mur creux et procédé d'isolation autour d'un profilé d'évacuation d'eau d'un mur creux

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4704837A (en) * 1986-08-15 1987-11-10 National Gypsum Company Wall construction
JPH08120801A (ja) * 1994-10-20 1996-05-14 Sekisui Chem Co Ltd グラスウール
NL1008148C2 (nl) * 1998-01-28 1999-07-29 Ubbink Nederland Bv Wateropvangstrook voor spouwmuren.
GB2404203B (en) * 2003-07-22 2007-08-22 Ronald James Lucas Insulation for use in cavity walls

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EP2581510A3 (fr) 2014-02-19

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