NZ613475B2 - A composite insulation panel - Google Patents

A composite insulation panel Download PDF

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Publication number
NZ613475B2
NZ613475B2 NZ613475A NZ61347512A NZ613475B2 NZ 613475 B2 NZ613475 B2 NZ 613475B2 NZ 613475 A NZ613475 A NZ 613475A NZ 61347512 A NZ61347512 A NZ 61347512A NZ 613475 B2 NZ613475 B2 NZ 613475B2
Authority
NZ
New Zealand
Prior art keywords
panel
overlap part
seal
manufactured
inner face
Prior art date
Application number
NZ613475A
Other versions
NZ613475A (en
Inventor
James Carolan
Gregory Flynn
Original Assignee
Kingspan Research And Developments Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kingspan Research And Developments Limited filed Critical Kingspan Research And Developments Limited
Priority claimed from PCT/IE2012/000004 external-priority patent/WO2012107917A1/en
Publication of NZ613475A publication Critical patent/NZ613475A/en
Publication of NZ613475B2 publication Critical patent/NZ613475B2/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/20—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics
    • E04C2/205—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics of foamed plastics, or of plastics and foamed plastics, optionally reinforced
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E04C2/243—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20 one at least of the material being insulating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E04D3/352—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material at least one insulating layer being located between non-insulating layers, e.g. double skin slabs or sheets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/358—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation with at least one of the layers being offset with respect to another layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/14—Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid

Abstract

613475 A manufactured composite insulating panel (1) comprises an external sheet (4) having an outer face and an inner face, an internal sheet (2) having an outer face and an inner face, and an insulating body (5) between the inner face of the external sheet (4) and the inner face of the internal sheet (2). The external sheet (4) has a portion that extends beyond the internal sheet (2) and the insulating body (5) to define an overlap part for overlapping with part of an adjacent panel, on assembly and a seal (21, 22) is applied to the inner face of the overlap part of the external sheet (4). The panel has a side overlap part (12) to which a side seal (21) is factory applied. An end seal (22) is also factory applied to an end overlap part (16) of the panel. heet (2). The external sheet (4) has a portion that extends beyond the internal sheet (2) and the insulating body (5) to define an overlap part for overlapping with part of an adjacent panel, on assembly and a seal (21, 22) is applied to the inner face of the overlap part of the external sheet (4). The panel has a side overlap part (12) to which a side seal (21) is factory applied. An end seal (22) is also factory applied to an end overlap part (16) of the panel.

Description

“A COMPOSITE INSULATION PANEL” Introduction The invention relates to composite insulation panels of the type comprising inner and outer sheets with a body of insulation therebetween.
Insulation panels are widely known and used extensively, especially for wall and roof panels in buildings.
A building cladding is built up by interengaging a plurality of the panels and mounting the panels to an underlying support. There are several important steps which are required to be performed on site to fit the panels.
There is a need to simplify the steps that must be performed on site when installing such panels.
Statements of Invention According to the invention there is provided a manufactured composite insulating panel comprising:- an external sheet having an outer face and an inner face; an internal sheet having an outer face and an inner face; an insulating body between the inner face of the external sheet and the inner face of the internal sheet; the external sheet having a portion that extends beyond the internal sheet and the insulating body to define an overlap part for overlapping with part of an adjacent panel, on assembly; a seal applied to the inner face of the overlap part of the external sheet, wherein the seal is adapted to fixedly bond to the inner face of the overlap part on application and to provide an outer exposed surface for releasably sealing with an adjacent panel, on assembly on site.
The seal is advantageously of a material which is compatible with the insulating body.
The seal is advantageously a foam material, particularly a closed cell foam material.
In one embodiment the overlap part comprises an end overlap part.
The seal may comprise a bead of sealant which extends across the inner face of the end overlap part.
The seal may comprise a plurality of beads of sealant which extend across the inner face of the end overlap part. At least some of the beads of sealant may be interconnected.
Alternatively or additionally the overlap part comprises a side overlap part. In this case the seal may comprise a bead of sealant which extends along the inner face of the side overlap part.
In one embodiment the external sheet comprises a plurality of longitudinally extending ribs.
In one case the insulating body comprises a foam such as a polyisocyanurate or phenolic foam material.
The external sheet may be of metallic material such as a steel material.
The internal sheet may be of a metallic material such as a steel material.
In one case the panel comprises a roof panel.
In one case the panel comprises a wall panel.
In one case the panel comprises a floor panel.
The invention also provides a roof assembly comprising a plurality of manufactured panels of the invention.
In another aspect the invention also provides a method for manufacturing a composite insulated panel comprising the steps of:- providing an insulation panel comprising an external sheet, an internal sheet and an insulating body between the external sheet and the internal sheet, the external sheet having an overlap part; and applying a seal to the inner face of the overlap part of the external sheet, wherein the seal is adapted to fixedly bond to the inner face of the overlap part on application and to provide an outer exposed surface for releasably sealing with an adjacent panel, on assembly on site.
In one case the overlap part comprises an end overlap part and the seal is applied across the end overlap part. The seal may comprise a plurality of beads of sealant which are applied across the end overlap part. The method may comprise interconnecting at least some of the beads of sealant.
Alternatively or additionally the overlap part comprises a side overlap part and the seal is applied along the side overlap part.
Brief Description of the Drawings The invention will be more clearly understood from the following description thereof given by way of example only, in which: - Fig. 1 is a perspective, partially cross sectional view of a manufactured insulating panel of the invention; Fig. 2 is a cross sectional view of the panel of Fig. 1; Fig. 3 is a cross sectional view showing a side overlap between adjacent like panels; Fig. 4 is a cross sectional partially cut-away view showing an end overlap between adjacent like panels; and Fig. 5 is a schematic of a part of a manufacturing installation used to manufacture the panels.
Detailed Description Referring to the drawings and initially to Figs. 1 to 4 there is illustrated an insulating panel 1 according to the invention comprising a first or external sheet 4, a second or inner sheet 2 with an insulating body, in this case an insulating foam 5 therebetween. The external sheet 4 has inner and outer faces and the inner sheet 2 also has internal and external faces. The foam 5 extends between the inner face of the external sheet 4 and the inner face of the internal or liner sheet 2. The foam 5 may, for example be a polyisocyanurate foam or a phenolic foam. In this case the panel 1 is a roof panel 1 comprising a profiled external sheet 4 which is typically of metal, such as galvanised steel. The inner metal liner sheet 2 may be of painted galvanised steel.
The external sheet 4 is profiled and in this case the profile comprises a plurality of projections, in this case comprising elongate crowns 10 which extend longitudinally along the length of the external sheet 4. The crowns 10 in this case are of generally trapezoidal form. The external and/or internal sheets may have a plurality of elongate strengthening ribs which extend longitudinally along the length of the external sheet 2.
The external sheet 4 has overlap parts for overlapping with parts of adjacent panels, on assembly.
In this case there are both end overlap features and side overlap features. The side overlap features in this case comprise a side underlap crown 11 on one side of the external sheet 4 and a side overlap crown 12 on the opposite side of the panel. In use, like panels are overlapped by overlapping the overlap crown 12 of one panel with the underlap crown 11 of an adjacent panel as illustrated in Fig. 3. Stitching screws 17 are used to secure the overlapped panels together on- site.
The end overlap features also comprise an end underlap portion 15 and an end overlap portion 16 for end lapping of adjacent like panels. The external sheet 4 has portions that extend beyond the internal sheet 2 and the foam core 5 to define the side overlap part 12 and the end overlap part 16 for overlapping with corresponding underlap parts 11, 15 of adjacent panels, on assembly. The end overlap is illustrated in Fig. 4. Stitching screws 18 are used to secure the overlapped panels together on-site. Main panel fixing screws 19 are used to fasten the overlapped panels to an underlying support which in this case comprises a purlin 20.
A side seal comprising a bead 21 of a sealant material is factory applied to the inner face of the side underlap part 12 of the external sheet 4 along the length of the sheet 4. This greatly simplifies the installation process as a site worker does not have to apply a seal from an applicator as the panels are being laid to form a roof. The new system also improves site safety as there is less work to be carried out at roof level. Further, as the seal is applied in the factory it is assured that the correct seal is in place at the correct location on the panel to further assure weather tightness at the side joint between adjacent overlapped panels.
Advantageously, the seal is of a material which is adapted to fixedly bond to the inner face of the overlap part, on application. The outer exposed surface of the seal is tacky for releasably bonding to an adjacent panel on assembly on site. This is achieved without requiring any temporary cover such as a peel-off paper over the exposed face of the seal. This eliminates waste paper which is often discarded in an unsightly manner.
Importantly, the seal does not cause the panels to become permanently fixed to one another. The seal allows the disassembly of the panels at any time. This facilitates building end of life disassembly for material recycling.
Advantageously, the seal is of a foam material which is compatible with the insulation foam of the panel. As similar materials are used in the seal and in the foam the seal can be readily utilised in a factory without any additional handling/safety issues. The seal may be formed from a polyol component and an isocyanate component with additives to maintain the foam in a bead- like shape. The polyol may be Dow Hyperlast (Trademark) 2851264. The isocyanurate may be Dow Hyperlast LE 5000. The additive may be Jeffamine (Trademark) D230.
In one case the seal is of a butyl rubber. However, one problem with such a material is that panels become permanently fixed together at the joint therebetween (similar to welding) and presents major problems if the panels need to be disassembled, for example, for material recycling at building end life.
An end seal comprising a plurality of beads 22 of a sealant material are factory applied to the inner face of the side underlap part 12 of the external sheet 4 across substantially the width of the panel. This greatly simplifies the installation process as a site worker does not have to apply end seals from an applicator as the panels are being laid to form a roof. The new system improves site safety as there is less work to be carried out at roof level. Further, as the end seals are applied in the factory it is assured that the correct seals are in place at the correct location on the panel to further assure weather tightness at the end joint between adjacent overlapped panels. In this case the beads 23 of sealant are interconnected by longitudinally extending portions 25 of sealant. This feature provides for enhanced sealing and facilitates efficient application of the seals in the factory.
Composite panels may be manufactured by a continuous process as described in our GB2309412 A and GB2402101 A, the entire contents of which are herein incorporated by reference.
The panels are manufactured with the outer face of the external sheet 2 lowermost. Liquid foam reactants are laid down onto the inner face of the external sheet 4 and the inner liner sheet 2 is positioned over the foam. The sandwich thus formed is then led through an oven in which the foam expands.
Referring to Fig. 5 there is illustrated a manufacturing station 50 at which the side and end sealants 21, 22 are applied. The side sealant is supplied in liquid form along supply lines 51 (which may be heated) to a side seal applicator head 52. The end sealant is supplied in liquid form along supply lines 53 (which may be heated) to movable end seal applicator head 54. The applicator head 54 is mounted to a robotic arm 55 which is moved by further robotic arms 56 under the control of a controller 57. The applicator head 54 is moved over and back across the end overlap portion 16 of the external sheet to apply the beads of sealant 22 as the panel moves through the applicator station.
The panels may be used to construct part of or all of a building envelope including part or all of one or more of the roof, walls and floor.
Modifications and additions can be made to the embodiments of the invention described herein without departing from the scope of the invention. For example, while the embodiments described herein refer to particular features, the invention includes embodiments having different combinations of features. The invention also includes embodiments that do not include all of the specific features described.
Many variations on the embodiments described will be readily apparent. Accordingly the invention is not limited to the embodiments hereinbefore described which may be varied in detail.
The term 'comprising' as used in this specification and claims means 'consisting at least in part of'. When interpreting statements in this specification and claims which include the term 'comprising', other features besides the features prefaced by this term in each statement can also be present. Related terms such as 'comprise' and 'comprised' are to be interpreted in similar manner.

Claims (30)

What we claim is:
1. A manufactured composite insulating panel comprising:- 5 an external sheet having an outer face and an inner face; an internal sheet having an outer face and an inner face; an insulating body between the inner face of the external sheet and the inner face of 10 the internal sheet, the external sheet having a portion that extends beyond the internal sheet and the insulating body to define an overlap part for overlapping with part of an adjacent panel, on assembly; and a seal applied to the inner face of the overlap part of the external sheet, wherein the seal is adapted to fixedly bond to the inner face of the overlap part on application and to provide an outer exposed surface for releasably sealing with an adjacent panel, on assembly on site.
2. A manufactured panel as claimed in claim 1 wherein the seal is of a material which is compatible with the insulating body.
3. A manufactured panel as claimed in claim 1 or 2 wherein the seal is a foam material.
4. A manufactured panel as claimed in claim 3 wherein the seal is a closed cell foam material.
5. A manufactured panel as claimed in any one of claims 1 to 4 wherein the overlap part 30 comprises an end overlap part.
6. A manufactured panel as claimed in claim 5 wherein the seal comprises a bead which extends across the inner face of the end overlap part.
7. A manufactured panel as claimed in claim 6 wherein the seal comprises a plurality of beads of sealant which extends across the inner face of the end overlap part.
8. A manufactured panel as claimed in claim 7 wherein at least some of the beads of sealant 5 are interconnected.
9. A manufactured panel as claimed in any one of claims 1 to 8 wherein the overlap part comprises a side overlap part.
10 10. A manufactured panel as claimed in claim 9 wherein the seal comprises a bead which extends along the inner face of the side overlap part.
11. A manufactured panel as claimed in any one of claims 1 to 10 wherein the external sheet comprises a plurality of longitudinally extending ribs.
12. A manufactured panel as claimed in any one of claims 1 to 11 wherein the insulating body comprises a foam.
13. A manufactured panel as claimed in claim 12 wherein the foam comprises a 20 polyisocyanurate foam material.
14. A manufactured panel as claimed in claim 12 wherein the foam comprises a phenolic foam material. 25
15. A manufactured panel as claimed in any one of claims 1 to 14 wherein the external sheet comprises a metallic material.
16. A manufactured panel as claimed in any one of claims 1 to 15 wherein the external sheet comprises a steel material.
17. A manufactured panel as claimed in any one of claims 1 to 16 wherein the internal sheet comprises a metallic material. - 1 0 -
18. A manufactured panel as claimed in any one of claims 1 to 17 wherein the internal sheet comprises a steel material.
19. A manufactured panel as claimed in any one of claims 1 to 18 wherein the panel 5 comprises a roof panel.
20. A manufactured panel as claimed in any one of claims 1 to 18 wherein the panel comprises a wall panel. 10
21. A manufactured panel as claimed in any one of claims 1 to 18 wherein the panel comprises a floor panel.
22. A manufactured panel substantially as hereinbefore described with reference to the drawings.
23. A roof assembly comprising a plurality of manufactured panels as claimed in any one of claims 1 to 19 or 22.
24. A method for manufacturing a composite insulated panel comprising the steps of:- providing an insulation panel comprising an external sheet, an internal sheet and an insulating body between the external sheet and the internal sheet, the external sheet having an overlap part; and
25 applying a seal to the inner face of the overlap part of the external sheet, wherein the seal is adapted to fixedly bond to the inner face of the overlap part on application and to provide an outer exposed surface for releasably sealing with an adjacent panel, on assembly on site. 30 25. A method as claimed in claim 24 wherein the overlap part comprises an end overlap part and the seal is applied across the end overlap part.
26. A method as claimed in claim 25 wherein the seal comprises a plurality of beads which are applied across the end overlap part. - 1 1 -
27. A method as claimed in claim 26 comprising interconnecting at least some of the beads of sealant. 5
28. A method as claimed in any one of claims 24 to 27 wherein the overlap part comprises a side overlap part and the seal is applied along the side overlap part.
29. A method as claimed in claim 24,substantially as herein described with reference to any embodiment disclosed.
30. A composite insulated panel manufactured by the method of any one of claims 24 to 29.
NZ613475A 2011-02-09 2012-02-09 A composite insulation panel NZ613475B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IE2011/0057 2011-02-09
IE20110057 2011-02-09
PCT/IE2012/000004 WO2012107917A1 (en) 2011-02-09 2012-02-09 A composite insulation panel

Publications (2)

Publication Number Publication Date
NZ613475A NZ613475A (en) 2015-06-26
NZ613475B2 true NZ613475B2 (en) 2015-09-29

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