GB2564106A - A wall for a building and a method of forming a wall of a building - Google Patents

A wall for a building and a method of forming a wall of a building Download PDF

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Publication number
GB2564106A
GB2564106A GB1710609.7A GB201710609A GB2564106A GB 2564106 A GB2564106 A GB 2564106A GB 201710609 A GB201710609 A GB 201710609A GB 2564106 A GB2564106 A GB 2564106A
Authority
GB
United Kingdom
Prior art keywords
wall
thermally insulating
facing side
insulating layer
carrier board
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.)
Withdrawn
Application number
GB1710609.7A
Other versions
GB201710609D0 (en
Inventor
Langdon Brett
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.)
Thermorend Ltd
Thermorend Ltd
Original Assignee
Thermorend Ltd
Thermorend Ltd
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 Thermorend Ltd, Thermorend Ltd filed Critical Thermorend Ltd
Priority to GB1710609.7A priority Critical patent/GB2564106A/en
Publication of GB201710609D0 publication Critical patent/GB201710609D0/en
Priority to IE20180175A priority patent/IE20180175A1/en
Publication of GB2564106A publication Critical patent/GB2564106A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/70—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood
    • E04B2/706—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with supporting function
    • E04B2/707—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of wood with supporting function obturation by means of panels
    • 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
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7654—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/562—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with fillings between the load-bearing elongated members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/72—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall
    • E04B2/723—Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wall constituted of gypsum elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
    • E04B2/7409—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts special measures for sound or thermal insulation, including fire protection
    • 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
    • E04C2/04—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 concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/043—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 concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of plaster
    • 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
    • E04C2/04—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 concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/049—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 concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres completely or partially of insulating material, e.g. cellular concrete or foamed plaster
    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • 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
    • E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
    • E04C2/46—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose specially adapted for making walls
    • 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
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/7608—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only comprising a prefabricated insulating layer, disposed between two other layers or panels
    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2002/3488—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by frame like structures

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Building Environments (AREA)
  • Acoustics & Sound (AREA)

Abstract

The wall 100 comprises a support frame 110a, 110b having an interior facing side and an exterior facing side, with a gypsum board 101 on the interior side of the frame, a vapour barrier 102 on an exterior facing side of the gypsum board, a carrier board 104 on the exterior side of the frame, a first thermally insulating layer 103 between and in contact with the vapour barrier and carrier board, and a second thermally insulating layer 106 on an exterior facing side of the carrier board. An exterior facing side of the second thermally insulating layer may have a cementitious layer 109 on it. There may be a mesh layer between the cementitious layer and second thermally insulating layer. The first thermally insulating layer may comprise a fibrous material such as mineral wool and the second an expanded foam material such as rigid polyurethane board. Also claimed is a method of forming the wall. The cementitious layer may be a render. The vapour barrier may be a polyethylene membrane. The carrier board may be wood, rigid plastics, or a cementitious panel.

Description

A WALL FOR A BUILDING AND A METHOD OF FORMING A WALL OF A BUILDING
The present invention relates to a wall for a building and a method of forming a wall of a building.
Typical insulation systems for buildings require high vapour permeability while minimising heat transfer between an exterior and an interior of the building. Known timber and steel frame walls comprise a plaster board mounted on a side of the frame which faces an interior of a building. A mineral wool layer is provided between the plaster board and an outer-facing plywood layer. A vapour stop may be positioned between the plaster board and the mineral wool layer. A concrete block overlaid with a cement render and masonry paint constitute the outermost layer which forms an exterior of the building. However, the block is separated from the plywood layer by a ventilated cavity which is intended to remove the moisture from the structure of the wall. Providing the cavity in the above insulating system substantially increases an overall thickness of the wall, which reduces the available living space for a particular floor plan of the building.
It is an object of the present invention to provide a technical solution to at least some of the issues outlined above, that is to provide a thermally insulating wall laminate of reduced thickness and U-value, and an increased vapour permeability.
In accordance with a first aspect of the present invention, there is provided a wall for a building, the wall comprising:
a wall support frame having an interior facing side which faces inwardly of the building, and an exterior facing side which faces outwardly of the building;
a gypsum based board disposed upon the interior side of the frame;
a vapour barrier disposed upon an exterior facing side of the gypsum board;
a carrier board disposed upon a side of the frame which faces externally of the building;
a first thermally insulating layer disposed between the vapour barrier and the carrier board and arranged in contact with the vapour barrier and the carrier board; and, a second thermally insulating layer disposed upon an exterior facing side of the carrier board.
In an embodiment, the wall further comprises a cementitious layer disposed upon an exterior facing side of the second thermally insulating layer. The cementitious layer may comprise an interior facing base layer and an exterior facing top layer.
In an embodiment, the wall further comprises a mesh layer disposed between the cementitious layer and the second thermally insulating layer. Alternatively, or in addition thereto, the mesh layer may be provided between the base layer and top layer of the cementitious layer.
In an embodiment, the first thermally insulating layer comprises a fibrous material.
In an embodiment, the second thermally insulating layer comprises an expanded foam material.
In an embodiment, the gypsum board, wall frame, carrier board and second thermally insulating later comprise a thickness ratio of substantially 1:8:1:4.
In an embodiment, the second thermally insulating layer is disposed upon the carrier board via an adhesive.
In a second aspect of the present invention, there is provided a method of forming a wall of a building, the method comprising:
constructing a wall support frame;
disposing a gypsum based board upon an interior facing side of the support frame which faces inwardly of the building;
disposing a vapour barrier upon an exterior facing side of the gypsum board;
disposing a carrier board upon an exterior facing side of the support frame which faces outwardly of the building;
disposing a first thermally insulating layer between the vapour barrier and carrier board, such that the first thermally insulating layer contacts the vapour barrier and carrier board; and, disposing a second thermally insulating later upon an exterior facing side of the carrier board.
In an embodiment, the method further comprises disposing a cementitious render upon an exterior facing side of the second thermally insulating layer.
Whilst the invention has been described above, it extends to any inventive combination of features set out above or in the following description. Although illustrative embodiments of the invention are described in detail herein with reference to the accompanying drawings, it is to be understood that the invention is not limited to these precise embodiments.
Furthermore, it is contemplated that a particular feature described either individually or as part of an embodiment can be combined with other individually described features, or parts of other embodiments, even if the other features and embodiments make no mention of the particular feature. Thus, the invention extends to such specific combinations not already described.
The invention may be performed in various ways, and, by way of example only, embodiments thereof will now be described with reference to the accompanying drawings, in which:
Figure 1 is a schematic illustration of a cross-section of a wall according to an embodiment of the present invention;
Figure 2 is a schematic illustration of the steps associated with a method according to an embodiment of the present invention.
Referring to figure 1 of the drawings there is illustrated a wall according to an embodiment of the present invention. The wall 100 may be realised as a timber frame wall or a steel frame wall for example, ensuring a heat transmission factor U between substantially 0.25 to 0.3 W/m2K. The wall 100 comprises a wall support frame, which may be formed of timber or steel frame members 110a, 110b for example, and comprises an interior facing side which in use forms the side of the wall which faces inwardly of the building, and an exterior facing side which in use forms the side of the wall which faces externally of the building.
The wall further comprises a gypsum based board 101, such as a paper/card-backed plasterboard having a thickness of approximately 12mm, disposed upon the interior facing side of the support frame 110 and which may be secured thereto using fasteners, such as screws 111, 112. A vapour barrier 102, such as a polyethylene membrane is provided upon an exterior facing side of the gypsum based board 101, and is arranged to minimise the passage of moisture through the wall 100.
The wall 100 further comprises a carrier board 104 disposed upon an exterior facing side of the support frame 110, which may be secured to the support frame 110 using fasteners, such as screws 113, 114. The carrier board 104 may comprise a thickness of 12mm for example, and may comprise a wooden board, a rigid plastics board, or a cementitious panel, for example. A first thermally insulating layer 103, which may comprise a fibrous material, such as mineral wool, is disposed between the vapour barrier 102 and carrier board 104 and arranged in contact therewith, so as to eliminate any cavity between the vapour barrier 102 and the carrier board 104.
The carrier board 104 is arranged to carry a second thermally insulating layer 106, which may comprise an expanded foam material such as rigid polyurethane board having a thickness of approximately 50mm, for example. The carrier board and second thermally insulating layer are secured together via an adhesive layer 105 which may comprise a hydraulic binder, polymer binder and/or a polypropylene fibre, for example.
The wall 100 further comprises a cementitious layer which forms a render that is applied to an exterior facing side of the second thermally insulating layer 106. The cementitious render may comprise a base layer 107 comprising a hydraulic binder, polymer binder and/or polypropylene fibres, which is applied to the thermally insulating layer 106. The base layer 107 may be further provided with a reinforcing mesh (not shown). In particular, a plurality of layers of mesh may be included in the base layer 107 for increased strength.
The cementitious layer may further comprise a priming 108 which is overlaid upon the base layer 107 and may comprise polysilicate and copolymer adhesive for priming the base layer 107 to receive a top layer 109. The top layer 109 may comprise polysilicate render and forms the external side of the wall 100.
The above described arrangement of wall layers provides for a wall 100 having a reduced a U-value and increased a vapour permeability, and further, a reduced wall thickness compared with conventional cavity walls.
Referring to figure 2 of the drawings, there is illustrated the steps of a method 200 for forming a wall for a building, which may comprise a wall for a dwelling. The method 200 comprises the steps of constructing a wall support frame 110 using frame members 110a, 110b at step 201 and subsequently orientating the wall such that one side of the frame faces inwardly of the building, and an opposite side of the wall support frame faces outwardly of the building. A vapour barrier 102 is disposed upon an interior facing side of the frame 110 and overlaid by a gypsum based board 101, which is secured to the wall frame 110 at step 202, using fasteners 111, 112. The wall 100 is further constructed by disposing a first thermally insulating layer 103 between the vapour barrier 102 and a carrier board 104 at step 204, and securing the carrier board to an exterior facing side of the frame using fasteners 113, 114 to eliminate any cavity between the vapour barrier and carrier board. In this respect, the first thermally insulating layer completely fills the space between the vapour barrier and carrier board.
The method further comprises securing a second thermally insulating layer to an exterior facing side of the carrier board at step 205, using an adhesive, and subsequently applying a render to an exterior facing side of the second thermally insulating layer at step 206. The application of a render may comprise a first step 206a of applying a base layer 107, followed by the disposition of a 5 mesh (not shown) upon the base layer at step 206b. A primer layer 108 is subsequently applied to the mesh at step 206c followed by the application of a top layer of render 109 at step 206d. The resulting wall provides for a reduced U-value and increased vapour permeability, while simultaneously providing a reduced wall thickness.

Claims (10)

Claims
1. A wall for a building, the wall comprising:
a wall support frame having an interior facing side which faces inwardly of the building, and an exterior facing side which faces outwardly of the building;
a gypsum based board disposed upon the interior side of the frame;
a vapour barrier disposed upon an exterior facing side of the gypsum board;
a carrier board disposed upon a side of the frame which faces externally of the building;
a first thermally insulating layer disposed between the vapour barrier and the carrier board and arranged in contact with the vapour barrier and the carrier board; and, a second thermally insulating layer disposed upon an exterior facing side of the carrier board.
2. A wall according to claim 1, further comprising a cementitious layer disposed upon an exterior facing side of the second thermally insulating layer.
3. A wall according to claim 2, further comprising a mesh layer disposed between the cementitious layer and the second thermally insulating layer.
4. A wall according to claim 2 or 3, wherein the cementitious layer comprises an interior facing base layer and an exterior facing top layer.
5. A wall according to any preceding claim, wherein the first thermally insulating layer comprises a fibrous material.
6. A wall according to any preceding claim wherein the second thermally insulating later comprises an expanded foam material.
7. A wall according to any preceding claim, wherein the gypsum board, wall frame, carrier board and second thermally insulating later comprise a thickness ratio of substantially
1:8:1:4.
8. A wall according to any preceding claim wherein the second thermally insulating layer is disposed upon the carrier board via an adhesive.
9. A method of forming a wall of a building, the method comprising:
constructing a wall support frame;
5 - disposing a gypsum based board upon an interior facing side of the support frame which faces inwardly of the building;
disposing a vapour barrier upon an exterior facing side of the gypsum board; disposing a carrier board upon an exterior facing side of the support frame which faces outwardly of the building;
disposing a first thermally insulating layer between the vapour barrier and carrier board, such that the first thermally insulating layer contacts the vapour barrier and carrier board; and, disposing a second thermally insulating later upon an exterior facing side of the carrier board.
10. A method according to claim 9, further comprising disposing a cementitious render upon an exterior facing side of the second thermally insulating layer.
GB1710609.7A 2017-07-03 2017-07-03 A wall for a building and a method of forming a wall of a building Withdrawn GB2564106A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1710609.7A GB2564106A (en) 2017-07-03 2017-07-03 A wall for a building and a method of forming a wall of a building
IE20180175A IE20180175A1 (en) 2017-07-03 2018-07-03 A wall for a building and a method of forming a wall of a building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1710609.7A GB2564106A (en) 2017-07-03 2017-07-03 A wall for a building and a method of forming a wall of a building

Publications (2)

Publication Number Publication Date
GB201710609D0 GB201710609D0 (en) 2017-08-16
GB2564106A true GB2564106A (en) 2019-01-09

Family

ID=59592675

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1710609.7A Withdrawn GB2564106A (en) 2017-07-03 2017-07-03 A wall for a building and a method of forming a wall of a building

Country Status (2)

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GB (1) GB2564106A (en)
IE (1) IE20180175A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050247021A1 (en) * 2004-04-19 2005-11-10 Schauffele Roy F Mold resistant exterior wall assembly
US20070193215A1 (en) * 2004-09-01 2007-08-23 Marcus Jablonka Multi-layered building wall
US20080245007A1 (en) * 2007-04-04 2008-10-09 United States Gypsum Company Gypsum wood fiber structural insulated panel arrangement
WO2010063243A1 (en) * 2008-12-02 2010-06-10 Bahal Cr A.S. Peripheral load-bearing wall for low-energy buildings
JP2016008475A (en) * 2014-06-26 2016-01-18 蹴揚建設株式会社 Connection structure for wall panels and connection method for wall panels

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050247021A1 (en) * 2004-04-19 2005-11-10 Schauffele Roy F Mold resistant exterior wall assembly
US20070193215A1 (en) * 2004-09-01 2007-08-23 Marcus Jablonka Multi-layered building wall
US20080245007A1 (en) * 2007-04-04 2008-10-09 United States Gypsum Company Gypsum wood fiber structural insulated panel arrangement
WO2010063243A1 (en) * 2008-12-02 2010-06-10 Bahal Cr A.S. Peripheral load-bearing wall for low-energy buildings
JP2016008475A (en) * 2014-06-26 2016-01-18 蹴揚建設株式会社 Connection structure for wall panels and connection method for wall panels

Also Published As

Publication number Publication date
IE20180175A1 (en) 2019-01-09
GB201710609D0 (en) 2017-08-16

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