IE20180512A1 - An insulation panel - Google Patents

An insulation panel Download PDF

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Publication number
IE20180512A1
IE20180512A1 IE20180512A IE20180512A IE20180512A1 IE 20180512 A1 IE20180512 A1 IE 20180512A1 IE 20180512 A IE20180512 A IE 20180512A IE 20180512 A IE20180512 A IE 20180512A IE 20180512 A1 IE20180512 A1 IE 20180512A1
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IE
Ireland
Prior art keywords
insulation panel
insulation
panel
mineral wool
foam core
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IE20180512A
Inventor
Kearney Danny
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Xtratherm Ltd
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Priority to IE20180512A priority Critical patent/IE20180512A1/en
Publication of IE20180512A1 publication Critical patent/IE20180512A1/en

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Abstract

This invention relates to an insulation panel comprising a polymer foam core sandwiched between a front facer bonded to a front face thereof and a rear facer bonded to a rear face thereof. The polymer foam core is further sandwiched between a resiliently deformable insulation layer, preferably of mineral wool material, bonded to a first side thereof and a resiliently deformable insulation layer, again preferably of mineral wool, bonded to a second side thereof. The insulation panel is particularly suited for use in and around wall ties to ensure a good continuity of insulation in this area. <Figure 11>

Description

Introduction This invention relates to an insulation panel. More particularly, the invention relates to an insulation panel that may be particularly suited for use adjacent openings and movement joints in buildings where wall ties may be used.
It is known to insulate cavity walls with insulation panels to improve the thermal performance of the building. It is desirable to maintain the continuity of thermal insulation as any break or gap in the insulation considerably reduces the overall performance of the insulation in the building.
One area that is particularly difficult to maintain the continuity of thermal insulation is around openings such as doors and windows and movement joints where wall ties may be used. Due to the inherent decrease in structural rigidity around openings and movement joints, it is necessary to place wall ties between the inner blockwork and the outer brickwork around the opening/joint to prevent excessive flexure of the structure in this location. A wall tie is a metal rod that extends from a position between the inner blockwork, across the cavity to a position between the outer brickwork and effectively braces the brickwork to the blockwork, providing increased stability. in order to properly insulate the building, it is necessary to navigate around these wall ties with the absolute minimum number of gaps or breaks in the insulation possible.
Heretofore, various techniques have been used by insulation technicians to address the problem. in some cases, the insulation technician installs insulation up to the side of the wall tie remote from the opening and leaves the area between the wall tie and the opening devoid of any insulation. This is an extreme case however has a massively negative impact on the efficacy of the buildings insulation. What is more likely is that the insulation technician will insulate up to the side of the wall tie remote from the opening and thereafter cut a strip of insulation to be piaced on the side of the wall tie proximal to the opening. This is also sub-optimal as there will be a gap between the adjacent sheets of insulation on either side of the wall tie roughly equivalent to the diameter of the wall tie (typically 4mm (0.004m)). This also reduces the etficacy of the insulation greatly.
More conscientious installers of insulation might cut a strip of insulation to be placed on the side of the wall tie proximal to the opening and thereafter gouge or drill a channel through the insulation at the edge of the sheet of insulation corresponding to the locations of the wall tie. in this way, the wall tie can be located in the channel and the two adjacent panels either side of the wall tie can be brought closer together, ideally with their sides in abutment with each other. The adjacent panels can thereafter be taped together. Although better than the techniques described above, this is still not entirely satisfactory as it is difficult and time consuming to drill or gouge channels into the side of the insulation and often the channels will be too large, thereby negatively impacting the efficacy of the insulation.
Other techniques include drilling a hole in the insulation panel for through passage of the wall tie or simply punching a hole through the insulation panel for the through passage of the wall tie. These techniques are not seen as desirable as they negatively impact the efficacy of the insulation board, particularly if the hole is too large and/or if the facers around the hole are damaged.
It is an object of the present invention to provide an insulation panel that overcomes at least some of these problems and that provides a useful choice to the consumer.
Statements of invention According to the invention there is provided an insulation panel comprising a polymer foam core sandwiched between a front facer bonded to a front face thereof and a rear facer bonded to a rear face thereof, characterized in that the polymer foam core is further sandwiched between a resiliently deformable insulation layer of mineral wool bonded to a first side thereof and a resiliently deformable insulation layer of mineral wool bonded to a second side thereof.
By having such an insulation panei, the insulation panel can be brought into close contact with the wall tie and the resiliently deformable layer of mineral wool will wrap around the wall tie and bridge the gap to the adjacent panel of the insulation on the other side of the wall tie. In this way, an insulation seal between the two panels of insulation will be formed, thereby improving the thermal rating of the insulation. Furthermore, it will not be necessary for the insulation technician to gouge or drill into an insulation panel, thereby obviating the possibility of the hole being made too large or in the wrong position, as well as reducing the length of time required for installation of the insulation.
Advantageously, by using a mineral wool in this position, the mineral wool will act as a useful fire barrier in the cavity wall, preventing the spread of fire through the building. in one embodiment of the invention there is provided an insulation panel in which the depth of the mineral wool from front to back of the insulation panel is greater than the combined depth of the polymer foam core and the facers from front to back so that the mineral wool protrudes beyond one of the front face and the rear face of the insulation panel. in this way, as the insulation board is pushed into the cavity between the blockwork and the brickwork, the mineral wool will engage against the blockwork and the brickwork, thereby helping to hold the insulation panel spaced apart from the outer brickwork and at the same time will help to maintain the insulation panel in position in the cavity. Furthermore, the mineral wool will provide a useful fire barrier in the cavity wall. in one embodiment of the invention there is provided an insulation panel in which the mineral wool protrudes beyond both the front face and the rear face of the insulation panel. This is seen as a useful embodiment of the invention as it will ensure that the insulation panel is held in position in the cavity though the frictional forces exerted on the blockwork and the brickwork by the mineral wool and furthermore will ensure that the insulation panel is held spaced apart from the outer brickwork irrespective of how the insulation panel is installed. By keeping the panel away from the outer brickwork, water ingress through the outer brickwork will not negatively impact the insulation panel. in one embodiment of the invention there is provided an insulation panel in which the mineral wool protrudes beyond the face of the insulation panel by a distance of the order of 0.005m. in one embodiment of the invention there is provided an insulation panel in which the insulation panel is substantially cuboid-shaped with rectangular-shaped faces.
In one embodiment of the invention there is provided an insulation panel in which the insulation panel is substantially L—shaped in horizontal cross section. By having an L- shaped insulation panel, this will enable the panel to facilitate different blockwork configurations in the building. in the case of the L-shaped panel, instead of having mineral wool on both sides of the insulation panel, there is provided mineral wool on one side of the insulation panel and on at least part of one face of the insulation panel. in one embodiment of the invention there is provided an insulation panel in which the insulation panel has a width of the order of O.225m. This is seen as another particularly preferred embodiment of the present invention. By providing an insulation panel with a width of 0.225, the insulation panel may also be used to aid in the positioning of wall ties around an opening or movement ioint. The insulation panel may first be placed with one side in alignment with the edge of the opening or movement joint and the wall ties may thereafter be positioned along the other side edge of the insulation panel. in this way, the wall ties will be the correct spacing apart from the opening or movement joint. in one embodiment of the invention there is provided an insulation panel in which the resiliently deformable insulation layer of mineral wool bonded to the side of the polymer foam core has a width of the order of 0.025m. By having a width of 0.025m, the insulation panel will provide a 30~minute fire rating. The fire resistance could however be increased further by increasing the thickness of the resiliently deformable insulation layer. in one embodiment of the invention there is provided an insulation panel in which there is provided a cover plate mounted on one side of the insulation panel sandwiching the resiliently deformable insulation layer of mineral wool on one side of the polymer foam core between the cover plate and the polymer foam core. By having a cover plate, the cover plate can provide a cover to the insulation at the opening in the gap between the brickwork and the blockwork. Plaster or other materials can be adhered to the cover plate to finish off the interior of the opening. in one embodiment of the invention there is provided an insulation panel in which the depth of the cover plate from front to back of the insulation panel is greater than the depth of the mineral wool from front to back. in this way, the cover plate will sit along the side face of the blockwork and the brickwork. in one embodiment of the invention there is provided an insulation panel in which the outer surface of the cover plate has a plurality of raised projections extending outwardly therefrom. By having raised projections, the projections will act as a key for any covering material that is to be adhered to the cover plate.
In one embodiment of the invention there is provided an insulation panel in which the cover plate has an arm extending inwardly from the inner surface of the cover plate to engage one of the polymer foam core and the resiliently deformable insulation layer of mineral wool. in one embodiment of the invention there is provided an insulation panel in which the arm is cranked at a right angle intermediate its ends and comprises a first section extending away from the inner surface of the cover plate substantially perpendicular to the plane of the cover plate and a second section connected to the end of the first section, the second section extending rearwardly from the first section substantially parallel to the plane of the cover plate. in one embodiment of the invention there is provided an insulation panel in which there is provided a slot formed between the polymer foam core and the resiliently deformable insulation layer for reception and retention of the second section of the arm. This is seen as a particularly simple way of mounting the cover plate on the insulation panel. in one embodiment of the invention there is provided an insulation panel in which the distance between the second section of the arm and the cover plate is equal to or less than the width of the resiliently deformable insulation layer of mineral wool. in this way, the insulation will form a force fit between the second section of arm and the body of the cover plate, thereby holding the cover plate in position. This is seen as a particularly simple and inexpensive construction.
In one embodiment of the invention there is provided an insulation panel in which the arm comprises at least one tooth for engagement of the one of the polymer foam core and the resiliently deformable insulation layer of mineral wool. in one embodiment of the invention there is provided an insulation panel in which the polymer foam core comprises a polyisocyanurate (PIR) foam.
In one embodiment of the invention there is provided an insulation panel in which the polymer foam core comprises a phenolic foam. in one embodiment of the invention there is provided an insulation panel in which the polymer foam core comprises a polyurethane foam. Alternatively, the polymer foam core comprises expanded polystyrene (XPD) foam. ln one embodiment of the invention there is provided an insulation panel in which the insulation panel has an aged thermal conductivity, A, 5 to 0.032 W.m“.K". in one embodiment of the invention there is provided an insulation panel in which the insulation panel has an aged thermal conductivity, A, S to 0.025 W.m“.K*‘. in one embodiment of the invention there is provided an insulation panel in which the insulation panel has an aged thermal conductivity, A, s to 0.021 W.m“.K". in one embodiment of the invention there is provided an insulation panel in which the insulation panel has an aged thermal conductivity, A, s to 0.018 W.m".K".
In one embodiment of the invention there is provided an insulation panel in which the facer is a metal foil. in one embodiment of the invention there is provided an insulation panel in which the mineral wool is replaced by one of a glass wool and a ceramic fibre material. in one embodiment of the invention there is provided a method for the manufacture of an insulation panel comprising the steps of: providing a first facer; laying foam reactants onto the first facer; providing a second facer on top of the foam reactants and the second facer; allowing the foam reactants to expand and harden, thereby forming a polymeric foam core; cutting the polymeric foam core and facers into panels; providing a web of resiliently deformable insulation mineral wool; cutting the web of mineral wool into strips in which the length dimensions of the strips are equal to the length dimension of the panel and the width dimensions of the strips are equal to or greater than the depth dimension of the panel; bonding a first strip of mineral wool to one side of the panel and bonding a second strip of mineral wool to the opposite side of the panel.
By having such a method, there is provided a simple, efficient and inexpensive way of manufacturing the insulation panel. in one embodiment of the invention there is provided a method for the manufacture of an insulation panel in which the step of bonding the strips of mineral wool to the sides of the panel comprises bonding the strips of mineral wool to the sides of the panel so that the strips of mineral wool protrude beyond one of the front face and the rear face of the panel. in one embodiment of the invention there is provided a method for the manufacture of an insulation panel in which the step of cutting the web of mineral wool into strips further comprises cutting the web of mineral wool into strips that are 0.005m wider than the depth dimension of the panel. in one embodiment of the invention there is provided a method for the manufacture of an insulation panel in which the method comprises the additional step of cutting a quadrant out of the insulation panel. in one embodiment, there is provided a method for the manufacture of an insulation panel in which the method comprises the additional step of cutting a V-shaped groove out of one face of the insulation panel, and instead of bonding the second strip of mineral wool to the opposite side of the panel, the method comprises the alternative step of bonding the second strip of mineral wool to the face of the panel opposite to the face of the panel with the groove. in one embodiment of the invention there is provided a method for the manufacture of an insulation panel in which the step of cutting the polymeric foam core and facers into panels and the step of providing a web of resiliently deformable insulation mineral wool comprise cutting the polymeric foam into widths and providing the web of resiliently deformable insulation mineral wool in thicknesses so that the combined width of the resulting insulation panel is O.225m. in one embodiment of the invention there is provided a method for the manufacture of an insulation panel in which the method comprises the step of attaching a cover plate to one side of the insulation panel, thereby sandwiching the resiliently deformable insulation layer of mineral wool on one side of the polymer foam core between the cover plate and the polymer foam core. in one embodiment of the invention there is provided a method for the manufacture of an insulation panel in which the step of attaching a cover plate to one side of the insulation panel comprises inserting an arm of the cover plate into a slot formed between the resiliently deformable insulation layer of mineral wool and the polymer foam core.
Detailed Description of the Invention The invention will now be more clearly understood from the following description of some embodiments thereof given by way of example only with reference to the accompanying drawings, in which:— Figure 1 is a perspective view of an insulation panel according to the invention; Figure 2 is a front view of the insulation panel of Figure 1; Figure 3 is a top plan view of the insulation panel of Figure 1; Figure 4 is a perspective view of a second embodiment of insulation panel according to the invention; Figure 5 is a front view of the insulation panel of Figure 4; Figure 6 is a top plan view of the insulation panel of Figure 4; Figure 7 is a perspective view of a third embodiment of insulation panel according to the invention, similar to the second embodiment of Figure 4; Figure 8 is a plan view of the insulation panel of Figure 8 during construction; Figure 9 is a perspective view of a third embodiment of insulation panel according to the invention; Figure 10 is a perspective view of the cover plate incorporated into the insulation panel of Figure 9; Figure 11 is a top plan view of the cover plate of the insulation panel of Figure 9; Figure 12 is a diagrammatic representation of a building illustrating the correct location for wall ties; Figure 13 is a diagrammatic representation of the insulation panel of Figures 1 to inclusive shown in use; Figure 14 is a diagrammatic representation of the insulation panel of Figures 7 and 8 inclusive shown in use; Figure 15 is a diagrammatic representation of the insulation panel of Figures 1 to 3 inclusive shown in use as an eaves closer; and Figure 16 is a diagrammatic representation of an insulation panel of Figures 1 to 3 inclusive shown in use at a party wall.
Referring to Figures 1 to 3, there is shown an insulation panel, indicated generally by the reference numeral 1, comprising a polymer foam core 3 sandwiched between a front facer 5 bonded to a front face thereof and a rear facer 7 bonded to a rear face thereof.
There is further provided a pair of resiliently deformable insulation layers 9, 11, one on either side of the polymer foam core so that the core is further sandwiched between a resiliently deformable insulation layer bonded to a first side thereof and a resiliently deformable insulation layer bonded to a second side thereof. Referring specifically to Figure 3, the pair of resiliently deformable insulation layers 9, 11 each protrude beyond the rear facer 7. Preferably, the pair of resiliently deformable insulation layers protrude beyond the rear facer 7 by approximately 5mm (0.005m).
In the embodiment shown, the core 3 is a polymer foam core such as phenolic, polyisocyanurate or polyurethane foam core. The facers are a metal foil material, such as an aluminium foil. The foil may be perforated if desired. The resiliently deformable insulation layers 9, 11 are preferably a mineral wool material. Mineral wool is seen as preferred as it provides useful fire retardant properties and furthermore will be able to mould around the wall tie (not shown), providing a more effective insulation layer in this region.
Referring to Figures 4 to 6, there is shown a second embodiment of insulation panel, indicated generally by the reference numeral 21, where like parts have been given the same reference numeral as before. The insulation panel 21 differs from the insulation panel 1 in that a rear quadrant 23 has been cut out of the insulation panel. As will described in more detail below, this configuration will suit certain construction techniques to provide an effective insulation barrier. Furthermore, the resiliently deformable insulation layers 9, 11 are shown protruding beyond the front facer 5 rather than the rear facer 7 to demonstrate an alternative.
Referring now to Figures 7 and 8, there is shown a third embodiment of insulation panel, indicated generally by the reference numeral 25, where like parts have been given the same reference numeral as before. The insulation panel 25 is similar to the insulation panel 21 of Figures 4 to 63 inclusive in that it is substantially L-shaped. However, rather than having a quadrant cut therefrom, the insultation panel 25 has a V-shaped groove 27 (as best illustrated in Figure 8) cut from a first face thereof and instead of having a resiliently deformable insulation layer 11 adhered to the second side of the insulation panel, instead there is a resiliently deformable insulation layer 29 adhered to part of the face of the insulation panel opposite to the face with the V-shaped groove. The V— shaped groove is a 90° cut so that when folded together, the arms will form an L—shaped panel. The facer 5 will act as a live hinge in this instance. The resiliently deformable insulation layer 29 protrudes beyond the live hinge when the insulation panel is in a folded configuration as shown in Figure 7.
Referring now to Figures 9 to 11, there is shown a fourth embodiment of insulation panel, indicated generally by the reference numeral 31, where like parts have been given the same reference numeral as before. The insulation panel 31 differs from the insulation panel 1 in that a slot 45 has been formed between the core 3 and the resiliently deformable insulation layer 9. There is further provided a cover plate, indicated generally by the reference numeral 33, mounted on the side of the insulation panel. The cover plate 33 comprises a substantially pianar sheet of material 35, preferably plastic material, on which there are provided a plurality of protrusions 37 extending outwardly therefrom. The protrusions provide a key for engagement of a render such as plaster or the like when the insulation panel is used to seal the gap between the inner layer of blockwork and the outer layer of brickwork. The cover plate 33 further comprises an inwardly depending arm 39 cranked intermediate its ends and having a first section 41 that protrudes inwardly from the sheet of material 35 substantially perpendicular to the plane of the sheet 35 and a second section 43 substantially orthogonal to the first section and coplanar to the sheet of material. The second section 43 sits in the slot 45 and engages the resiliently deformable insulation layer 9 between the second section 43 and the sheet of material 35, thereby holding the cover plate and the core 3 of the insulation panel together.
Referring now to Figure 12, there is shown a diagrammatic representation of a building, indicated generally by the reference numeral 51, illustrating the correct location for wall ties, including wall ties 53 for use around a window, wall ties 55 for use around a door, wall ties 57 for use adjacent a movement joint, wall ties 59 for use at a roof verge, and wall ties 61 for use in areas away from areas of increased flexure. The wall ties 53 for use around a window are ideally spaced a maximum distance of 225mm (O.225m) from the edge of the window. The wall ties 55 for use around a door are also ideally spaced a maximum distance of 225mm (O.225m) from the edge of the door and spaced 300mm (O.3m) vertically with respect to each other. The wall ties 57 for use adjacent a movement joint are ideally spaced a maximum distance of 225mm (O.225m) from the edge of the movement joint. The wail ties 59 for use at a roof verge are preferably spaced a maximum distance of 225mm (O.225m) from the edge of the roof verge and spaced 300mm (0.3m) apart from each other. Finally, the wall ties 61 for use in areas away from areas of increased flexure are spaced a maximum of 900mm (O.9m) apart in a horizontal direction and no more than 450mm (0.45m) apart from each other in a vertical direction.
Referring now to Figure 13, there is shown a diagrammatic representation of the insulation panel 1 of Figures 1 to 3 inclusive shown in use in a building 71. in the embodiment shown, there is provided an opening for a window 73. The building comprises an inner layer of blockwork 75 and an outer layer of blockwork 77. in other areas in the specification, we have described inner layers of blockwork and outer layers of brickwork however it will be understood that this will vary depending on the type of construction and in the present case, there is both an inner and an outer layer of blockwork. A cavity 79 is formed between the inner layer of blockwork 75 and the outer layer of blockwork 77. A wall tie 81, bridges across the cavity 79 from the inner layer of blockwork 75 to the outer layer of blockwork 77. The wall tie is spaced 225mm (O.225m) from the edge of the opening. The wall tie 81 is shown resting on top of the layer of blocks however it will be understood that other blocks will be laid on top of the wall tie as part of the inner layer of blockwork 75 and the outer layer of blockwork 77 thereby holding the wall tie in position. importantly, the wall tie 81 is able to be subsumed in the resiliently deformable insulation layer 11 as the resiliently deformable insulation layer 11 of mineral wool moulds itself around the wall tie. The resiliently deformable insulation layer 11 of mineral wool still, at the same time, forms a good insulation seal with the next adjacent insulation panel 83. if desired, the wall tie could be pushed through the resiliently deformable insulation layer 11 of mineral wool. Due to the nature of the mineral wool, it will clasp around the wall tie, forming an insulation bond around the wall tie. it will be appreciated that if the insulation panel 31 of Figures 7 to 9 were used in this instance, it would be positioned so that the cover plate 33 would sit along the exposed edge of the inner blockwork 75 and the outer blockwork 77'.
Referring to Figure 14, there is shown a diagrammatic representation of the insulation panel 25 of Figures 7 and 8 inclusive shown in use in a building 71. As mentioned above, certain building techniques result in different endings to the layers of brickwork and blockwork. It is not uncommon for the final brick or block 83 to be placed at a 90 degree angle to the rest of the course of bricks or blocks. in this instance, the substantially L-shaped insulation panel 25 will be useful to fill the space between the and block 83 and the wall tie 81. in order to achieve the L-shaped configuration of the insulation panel, a cuboid shaped section 23 can be cut out of the insulation panel or alternatively a (90 degree) V-shaped groove may be cut out of one side of the insulation panel. The facer 5 on the opposite side of the insulation panel will act as a live hinge as the two parts of the insulation panel core on either side of the V-shaped groove are brought together closing the groove until the sides of the groove are in engagement with each other.
Referring now to Figure 15, there is shown a diagrammatic representation of the insulation panel 1 of Figures 1 to 3 inclusive shown in use as an eaves closer in the roof 91 of a building. Like parts have been given the same reference numeral as before. it will be understood that the insulation panel 1 according to the present invention is particularly suited for use in this area due to the inherent flexibility and resilience as a result of the pair of resiliently deformable insulation layers 9, 11 on either side of the core 3. These will enable the insulation technician to handle a degree of building tolerance and will enable the fast and efficient installation of the insulation.
Referring now to Figure 16, there is shown a diagrammatic representation of the insulation panel 1 of Figures 1 to 3 inclusive shown in use as partition wall joint 101 cavity closer. Like parts have been given the same reference numeral as before. At this location, a partition wall 103 is captured between inner blocks 77. it will be understood that the insulation panel 1 according to the present invention is particularly suited for use in this area due to the inherent flexibility and resilience as a result of the pair of resiliently deformable insulation layers 9, 11 on either side of the core 3. These will enable the insulation technician to handle a degree of building tolerance and will enable the fast and efficient installation of the insulation.
The present invention further extends to a method of manufacturing an insulation board.
The method comprises the steps of providing a first facer, preferably off a roller onto a conveyor belt. The method comprises the step of laying foam reactants onto the first facer and providing a second facer, again off a roller, on top of the foam reactants and the second facer. The foam reactants are allowed to expand and harden, thereby forming a polymeric foam core. This may entail delivering the foam along the conveyor through an oven. Once the foam has hardened, the foam is led to a cutting station in which the polymeric foam core and facers are cut into panels. A web of resiliently deformable insulation mineral wool is provided and cut into strips in which the length dimensions of the strips are equal to the length dimension of the panel and the width dimensions of the strips are equal to or preferably greater than the depth dimension of the panel. A first strip of mineral wool is bonded to one side of the panel and a second strip of mineral wool is bonded to the opposite side of the panel. in this way, there is a simple manufacturing method for creating the panels. The panels may then be packed in a plastic material in a packing station ready for storage and subsequent transport to a site for use in the construction of a building.
Throughout the specification, different insulation materials have been discussed including phenolic foam, polyisocyanurate foam, polyurethane foam, mineral wool and the like. it is envisaged that the insulation panel will have an aged thermal conductivity, A, S to 0.025 W.m".K". Preferably, the insulation panel will have an aged thermal conductivity, A, s to 0.021 W.m".K“. ideally, the insulation panel will have an aged thermal conductivity, A, S to 0.018 W.m".K*’. The facers are preferably aluminium metal facers that may be perforated. Various modifications could be made to these embodiments without departing from the scope of the appended claims. in this specification the terms “comprise, comprises, comprised and comprising” and the terms “include, includes, included and including” are all deemed totally interchangeable and should be afforded the widest possible interpretation.
The invention is not limited to the embodiments hereinbefore described but may be varied in both construction and detail within the scope of the appended claims.

Claims (1)

1. Claims: An insulation panel comprising a polymer foam core sandwiched between a front facer bonded to a front face thereof and a rear facer bonded to a rear face thereof, characterized in that the polymer foam core is further sandwiched between a resiliently deformable insulation layer of mineral wool bonded to a first side thereof and a resiliently deformable insulation layer of mineral wool bonded to a second side thereof. An insulation panel as claimed in claim 1 in which the depth of the mineral wool from front to back of the insulation panel is greater than the combined depth of the polymer foam core and the facers from front to back so that the mineral wool protrudes beyond one of the front face and the rear face of the insulation panel. An insulation panel as claimed in claim 2 in which the mineral wool protrudes beyond both the front face and the rear face of the insulation panel. An insulation panel as claimed in claim 2 or 3 in which the mineral wool protrudes beyond the face of the insulation panel by a distance of the order of 0.005m. An insulation panel as claimed in any preceding claim in which the insulation panel is substantially cuboid—shaped with rectangular—shaped faces. An insulation panel as claimed in claims 1 to 4 in which the insulation panel is substantially L-shaped in horizontal cross section. An insulation panel as claimed in any preceding claim in which the insulation panel has a width of the order of O.225m. An insulation panel as claimed in claim 7 in which the resiliently deformable insulation layer of mineral wool bonded to the side of the polymer foam core has a width of the order of 0.025m. (9) (10) (11) (12) (13) (14) (15) An insulation panel as claimed in any preceding claim in which there is provided a cover plate mounted on one side of the insulation panel sandwiching the resiliently deformable insulation layer of mineral wool on one side of the polymer foam core between the cover plate and the polymer foam core. An insulation panel as claimed in claim 9 in which the depth of the cover plate from front to back of the insulation panel is greater than the depth of the mineral wool from front to back. An insulation panel as claimed in claim 9 or ‘l0 in which the outer surface of the cover plate has a plurality of raised projections extending outwardly therefrom. An insulation panel as claimed in claims 9 to 11 in which the cover plate has an arm extending inwardly from the inner surface of the cover plate to engage one of the polymer foam core and the resiliently deformable insulation layer of mineral wool. An insulation panel as claimed in any preceding claim in which the arm is cranked at a right angle intermediate its ends and comprises a tirst section extending away from the inner surface of the cover plate substantially perpendicular to the plane of the cover plate and a second section connected to the end of the first section, the second section extending rearwardly from the first section substantially parallel to the plane of the cover plate. An insulation panel as claimed in claim 13 in which there is provided a slot formed between the polymer foam core and the resiliently deformable insulation layer for reception and retention of the second section of the arm. An insulation panel as claimed in claim 14 in which the distance between the second section of the arm and the cover plate is equal to or less than the width of the resiliently deformable insulation layer of mineral wool. (15) (17) (13) (19) (20) (21) (22) (23) (24) An insulation panel as claimed in any one of claims 12 to 15 in which the arm comprises at least one tooth for engagement of the one of the polymer foam core and the resiliently deformable insulation layer of mineral wool. An insulation panel as claimed in any preceding claim in which the polymer foam core comprises a polyisocyanurate (PIR) foam. An insulation panel as claimed in any one of claims 1 to 16 in which the polymer foam core comprises a phenolic foam. An insulation panel as claimed in any one of claims 1 to 16 in which the polymer foam core comprises a polyurethane foam. An insulation panel as claimed in any preceding claim in which the insulation panel has an aged thermal conductivity, A, S to 0.025 W.m*1.K“. An insulation panel as claimed in any of claims 1 to 19 in which the insulation panel has an aged thermal conductivity, A, S. to 0.021 W.m'1.K". An insulation panel as claimed in any of claims 1 to 19 in which the insulation panel has an aged thermal conductivity, A, s to 0.018 W.m".K'1. An insulation panel as claimed in any preceding claim in which the facer is a metal foil. An insulation panel as claimed in any preceding claim in which the mineral wool is replaced by one of a glass wool and a ceramic fibre material. (25) (25) (27) A method for the manufacture of an insulation panel comprising the steps of: providing a first facer; laying foam reactants onto the first facer; providing a second facer on top of the foam reactants and the second facer; allowing the foam reactants to expand and harden, thereby forming a polymeric foam core; cutting the polymeric foam core and facers into panels; providing a web of resiliently deformable insulation mineral wool; cutting the web of mineral wool into strips in which the length dimensions of the strips are equal to the length dimension of the panel and the width dimensions of the strips are equal to or greater than the depth dimension of the panel; bonding a first strip of mineral wool to one side of the panel and bonding a second strip of mineral wool to the opposite side of the panel. A method for the manufacture of an insulation panel as claimed in claim 25 in which the step of bonding the strips of mineral wool to the sides of the panel comprises bonding the strips of mineral wool to the sides of the panel so that the strips of mineral wool protrude beyond one of the front face and the rear face of the panel. A method for the manufacture of an insulation panel as claimed in claim 25 or 26 in which the step of cutting the web of mineral wool into strips further comprises cutting the web of mineral wool into strips that are 0.005m wider than the depth dimension of the panel. (28) (29) (30) (31) (32) A method for the manufacture of an insulation panel as claimed in one of claims 25 to 27 in which the method comprises the additional step of cutting a quadrant out of the insulation panel. A method for the manufacture of an insulation panel as claimed in any one of claims 25 to 27 in which the method comprises the additional step of cutting a V- shaped groove out of one face of the insulation panel, and instead of bonding the second strip of mineral wool to the opposite side of the panel, the method comprises the alternative step of bonding the second strip of mineral wool to the face of the panel opposite to the face of the panel with the groove. A method for the manufacture of an insulation panel as claimed in one of claims 25 to 29 in which the step of cutting the polymeric foam core and facers into panels and the step of providing a web of resiliently deformable insulation mineral wool comprise cutting the polymeric foam into widths and providing the web of resiliently deformable insulation mineral wool in thicknesses so that the combined width of the resulting insulation panel is 0.225m. A method for the manufacture of an insulation panel as claimed in one of claims 25 to 30 in which the method comprises the step of attaching a cover plate to one side of the insulation panei, thereby sandwiching the resiliently deformable insulation layer of mineral wool on one side of the polymer foam core between the cover plate and the polymer foam core. A method for the manufacture of an insulation panel as claimed in claim 31 in which the step of attaching a cover plate to one side of the insulation panel comprises inserting an arm of the cover plate into a slot formed between the resiliently deformable insulation layer of mineral wool and the polymer foam core.
IE20180512A 2018-11-29 2018-11-29 An insulation panel IE20180512A1 (en)

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