EP4225998A1 - A prefabricated external wall element - Google Patents

A prefabricated external wall element

Info

Publication number
EP4225998A1
EP4225998A1 EP21878088.0A EP21878088A EP4225998A1 EP 4225998 A1 EP4225998 A1 EP 4225998A1 EP 21878088 A EP21878088 A EP 21878088A EP 4225998 A1 EP4225998 A1 EP 4225998A1
Authority
EP
European Patent Office
Prior art keywords
wall element
core
element according
wall
supporting columns
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.)
Pending
Application number
EP21878088.0A
Other languages
German (de)
French (fr)
Inventor
Ole Gunnar Selvaag
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.)
Ogs Seed AS
Original Assignee
Ogs Seed AS
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 Ogs Seed AS filed Critical Ogs Seed AS
Publication of EP4225998A1 publication Critical patent/EP4225998A1/en
Pending 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
    • 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
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • 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
    • 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
    • E04C2/288—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 concrete, stone or stone-like material
    • 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
    • E04C2/296—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 non-metallic or unspecified sheet-material
    • 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
    • E04C2/38—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 with attached ribs, flanges, or the like, e.g. framed panels
    • E04C2/386—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 with attached ribs, flanges, or the like, e.g. framed panels with a frame of unreconstituted or laminated wood
    • 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
    • E04C2/48—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose as high as or higher than the room, i.e. having provisions concerning the connection with at least two floors
    • 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
    • E04B1/66—Sealings
    • E04B1/665—Sheets or foils impervious to water and water vapor
    • 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
    • E04B1/762—Exterior insulation of exterior 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
    • E04B1/7675—Insulating linings for the interior face of exterior walls

Definitions

  • the present invention relates to a prefabricated external wall element and a wall having such an element.
  • Prefabricated external walls are finished as much as possible before they are delivered to the construction site. This requires that the walls be made exactly to the conditions at the construction site. But the conditions at construction sites are characterized by deviations and inaccuracies. Therefore, the walls must have tolerances which in turn entails costly adaptation work at the construction site.
  • Embodiment 1 is a highly insulating wall.
  • the core of the wall consists of, for example, 200 mm thick polyisocyan urate (PIR) foam with support columns of, for example, laminated wooden columns. These are interconnected by angles of steel sheet plates. The angles are slotted into the PIR.
  • the angles together with a structural element in the form of a longitudinal lath or the like, provide the opportunity to attach the wall to the floors up and down and thus the wall can absorb lateral forces.
  • PIR polyisocyan urate
  • steel plates are attached to the support columns and slotted into the PIR at the center of the support columns.
  • a strip of plastic foil is attached up and down the wall so that a solid plastic foil can be attached vapor-tight at the construction site.
  • An internal lining with mineral wool insulation which can be carried out on the construction site, allows for wiring and installation of sockets and switches without interfering with the PIR.
  • PIR can be plastered with reinforced fiberglass mesh over the element joints without notches in the plaster layer.
  • Embodiment 2 is in principle similar to Embodiment 1, but with a thinner PIR and with external laths for attaching external plates, panels and masonry. Slotting in the PIR is avoided. PIR is stabilized against buckling with laths on both sides. The laths are blocked out a few centimeters to secure passage, both vertically and horizontally, for vapor transport. In contrast to Embodiment 1, Embodiment 2 allows the use all kinds of cladding and siding and combinations thereof.
  • Figure 1 is a vertical section through a finished wall of a multi-story house according to Embodiment 1;
  • Figure 2 is a vertical section through a wall as delivered from the factory for use in the wall in Figure 1;
  • Figure 3 is a horizontal section along line A-A in Figure 1;
  • Figure 4 is a horizontal section along line B-B in Figure 2;
  • Figure 5 is a vertical section through a finished wall according to Embodiment 2;
  • Figure 6 is a vertical section through a wall as delivered from the factory for use in the wall of Figure 5;
  • Figure 7 is a horizontal section along line C-C in Figure 5.
  • Figure 8 is a horizontal section along line D-D in Figure 6.
  • the wall 1 illustrated in Figure 1 should be viewed along with the horizontal section of Figure 3.
  • the wall comprises a core 2 with an external cladding of reinforced plaster 3 and internal lining 4 with mineral wool to form a passage for wiring and tubing.
  • a vapor barrier 5 is arranged on the inside of the lining 4.
  • the core 2 rests on a floor 6.
  • An L-shaped, angle iron-like furnishing 7 rests with long leg 8 between the floor 6 and bottom of the core 2.
  • the short leg 9 of the L is vertical and is received in a longitudinal slot 10 in the core 2.
  • the long leg 8 extends beyond the core and has attached thereto a structural element, here in the form of a lath 11, so that the furnishing 7 and lath 11 together a U-shaped receptacle for part of the core 2.
  • a structural element here in the form of a lath 11
  • the lath may be replaced by other means, e.g. by utilizing a part of the furnishing itself.
  • the outer third may be bent down at a right angle., whereupon the middle third is bent up and back upon the inner third to bring the outer part in a position parallel to the short leg 9, thereby forming the U- shaped receptacle together with the long leg 8.
  • Figure 2 shows a vertical section through a wall element 13 as it comes from the factory for use in a wall 1 as shown in Figure 1.
  • the section is taken through line B- B in Figure 4 and shows the position of one of a plurality of supporting columns 14 in the element 13.
  • Figure 2 further shows that both the core 2 and furnishings 7 are nailed to the columns 14. At least at one point along the supporting columns 14 they are attached to the core 2 by means of steel plates 15 slotted into the core and nailed or screwed into the columns. The plates serve to prevent buckling of the core.
  • Strips 16 of plastic foil material are provided at the top and bottom of the element 13 for attachment of the vapor barrier 5, as shown in Figures 1 and 3, at the building site.
  • Figures 5-8 relate to Embodiment 2 of the present invention.
  • the names and reference numerals as used for Figures 1-4 will be used for similar parts in Figures 5-8.
  • Figure 5 shows a vertical section through a finished wall 17 with less insulating core 18 material, the thickness of the material and supporting columns 14 being identical, e. g. 100 mm.
  • a horizontal section along line C-C in Figure 5 is shown in Figure 7.
  • the wall 17 permits a selection of cladding materials to be used at the installation site.
  • External laths 19 or battens are used for attachment of the cladding to the wall 17, including a space 20 for vapor diffusion, a mineral wool 21 layer, a reinforced plaster 22, an insulating foam 23, and a finishing reinforced plaster 24.
  • the core material may be force fitted between the supporting columns 14 and the longitudinal furnishings 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Building Environments (AREA)

Abstract

A prefabricated external wall element (13) comprises a floor-high plate-shaped core (2) of form-retaining insulating material such as PIR, in which supporting columns (14), e. g. of laminated wood, are incorporated, where the supporting columns at the ends are connected to a longitudinal furnishing (7) of plate material provided with a structural element (11) to form a U-shaped receptacle for the column ends and core.

Description

A PREFABRICATED EXTERNAL WALL ELEMENT
DESCRIPTION
The present invention relates to a prefabricated external wall element and a wall having such an element.
Prefabricated external walls are finished as much as possible before they are delivered to the construction site. This requires that the walls be made exactly to the conditions at the construction site. But the conditions at construction sites are characterized by deviations and inaccuracies. Therefore, the walls must have tolerances which in turn entails costly adaptation work at the construction site.
The present invention makes it possible to avoid these drawbacks by prefabricating the core of the wall, and then finishing the inside and outside at the construction site. There are two versions of the solution according to the same principle. Embodiment 1 is a highly insulating wall. The core of the wall consists of, for example, 200 mm thick polyisocyan urate (PIR) foam with support columns of, for example, laminated wooden columns. These are interconnected by angles of steel sheet plates. The angles are slotted into the PIR. The angles, together with a structural element in the form of a longitudinal lath or the like, provide the opportunity to attach the wall to the floors up and down and thus the wall can absorb lateral forces. To secure the PIR against buckling, steel plates are attached to the support columns and slotted into the PIR at the center of the support columns.
A strip of plastic foil is attached up and down the wall so that a solid plastic foil can be attached vapor-tight at the construction site.
An internal lining with mineral wool insulation, which can be carried out on the construction site, allows for wiring and installation of sockets and switches without interfering with the PIR. On the outside, PIR can be plastered with reinforced fiberglass mesh over the element joints without notches in the plaster layer.
Embodiment 2 is in principle similar to Embodiment 1, but with a thinner PIR and with external laths for attaching external plates, panels and masonry. Slotting in the PIR is avoided. PIR is stabilized against buckling with laths on both sides. The laths are blocked out a few centimeters to secure passage, both vertically and horizontally, for vapor transport. In contrast to Embodiment 1, Embodiment 2 allows the use all kinds of cladding and siding and combinations thereof.
DRAWINGS
For better understanding of the invention, it is described in the following with reference to the appended drawings, in which
Figure 1 is a vertical section through a finished wall of a multi-story house according to Embodiment 1;
Figure 2 is a vertical section through a wall as delivered from the factory for use in the wall in Figure 1;
Figure 3 is a horizontal section along line A-A in Figure 1;
Figure 4 is a horizontal section along line B-B in Figure 2;
Figure 5 is a vertical section through a finished wall according to Embodiment 2;
Figure 6 is a vertical section through a wall as delivered from the factory for use in the wall of Figure 5;
Figure 7 is a horizontal section along line C-C in Figure 5; and
Figure 8 is a horizontal section along line D-D in Figure 6.
DETAILED DESCRIPTION
The wall 1 illustrated in Figure 1 should be viewed along with the horizontal section of Figure 3. The wall comprises a core 2 with an external cladding of reinforced plaster 3 and internal lining 4 with mineral wool to form a passage for wiring and tubing. A vapor barrier 5 is arranged on the inside of the lining 4.
The core 2 rests on a floor 6. An L-shaped, angle iron-like furnishing 7 rests with long leg 8 between the floor 6 and bottom of the core 2. The short leg 9 of the L is vertical and is received in a longitudinal slot 10 in the core 2. The long leg 8 extends beyond the core and has attached thereto a structural element, here in the form of a lath 11, so that the furnishing 7 and lath 11 together a U-shaped receptacle for part of the core 2. By attaching the lath to the floor 6, e.g. by means of nails 12, the wall will be able to resist lateral forces. The lath may be replaced by other means, e.g. by utilizing a part of the furnishing itself. By making the long leg 8 longer so that it will extend about three lath thicknesses beyond the core 2, the outer third may be bent down at a right angle., whereupon the middle third is bent up and back upon the inner third to bring the outer part in a position parallel to the short leg 9, thereby forming the U- shaped receptacle together with the long leg 8.
Figure 2 shows a vertical section through a wall element 13 as it comes from the factory for use in a wall 1 as shown in Figure 1. The section is taken through line B- B in Figure 4 and shows the position of one of a plurality of supporting columns 14 in the element 13. Figure 2 further shows that both the core 2 and furnishings 7 are nailed to the columns 14. At least at one point along the supporting columns 14 they are attached to the core 2 by means of steel plates 15 slotted into the core and nailed or screwed into the columns. The plates serve to prevent buckling of the core. Strips 16 of plastic foil material are provided at the top and bottom of the element 13 for attachment of the vapor barrier 5, as shown in Figures 1 and 3, at the building site.
Figures 5-8 relate to Embodiment 2 of the present invention. The names and reference numerals as used for Figures 1-4 will be used for similar parts in Figures 5-8.
Figure 5 shows a vertical section through a finished wall 17 with less insulating core 18 material, the thickness of the material and supporting columns 14 being identical, e. g. 100 mm. A horizontal section along line C-C in Figure 5 is shown in Figure 7. Different from Embodiment 1, the wall 17 permits a selection of cladding materials to be used at the installation site. External laths 19 or battens are used for attachment of the cladding to the wall 17, including a space 20 for vapor diffusion, a mineral wool 21 layer, a reinforced plaster 22, an insulating foam 23, and a finishing reinforced plaster 24. The core material may be force fitted between the supporting columns 14 and the longitudinal furnishings 7.
It will be understood that the invention is not limited to the examples described in the above but may be varied and modified by the skilled person within the scope of the following claims and equivalents thereof.

Claims

Claims
1. A prefabricated external wall element (13), comprising a floor-high plateshaped core (2) of form-retaining insulating material in which supporting columns (14) are incorporated, where the supporting columns at the ends are connected to a longitudinal furnishing (7) of plate material provided with a structural element (11) to form a U-shaped receptacle for the column ends and core.
2. A wall element according to claim 1, wherein the insulating material is polyisocyanurate and the supporting column (14) are made of laminated wood.
3. A wall element according to a preceding claim, wherein the structural furnishings (7) are made of sheet metal.
4. A wall element according to claim 3, wherein the sheet metal is galvanized steel plate 0.7-1.2 mm thick.
5. A wall element according to a preceding claim, wherein the structural element is a lath (11) attached to the longitudinal furnishing (7).
6. A wall element according to one of claims 1- 4, wherein the structural element is a formed portion of the longitudinal furnishing (7).
7. A wall element according to a preceding claim, wherein the supporting columns (14) are recessed into the core (2).
8. A wall element according to a preceding claim, wherein a plate (15) is attached to a midpoint of a supporting column (14) and extends into the core (2)
9. A wall element according to one of claims 1-6, wherein core material is force fitted between the supporting columns (14) and the longitudinal furnishings (7).
10. A prefabricated external wall (1) comprising a prefabricated external wall element according to any one of the preceding claims.
EP21878088.0A 2020-10-08 2021-10-08 A prefabricated external wall element Pending EP4225998A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20201091 2020-10-08
PCT/NO2021/050210 WO2022075857A1 (en) 2020-10-08 2021-10-08 A prefabricated external wall element

Publications (1)

Publication Number Publication Date
EP4225998A1 true EP4225998A1 (en) 2023-08-16

Family

ID=81127010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21878088.0A Pending EP4225998A1 (en) 2020-10-08 2021-10-08 A prefabricated external wall element

Country Status (2)

Country Link
EP (1) EP4225998A1 (en)
WO (1) WO2022075857A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO20220700A1 (en) * 2022-06-17 2023-12-18 Ogs Seed As Procedure for re-insulating an existing wall

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2193127A1 (en) * 1972-07-21 1974-02-15 Fauroux Gaston
SE513679C2 (en) * 1998-07-24 2000-10-23 Goeran Nergaarden Pre-fabricated supporting outer wall element
ES2285878A1 (en) * 2004-03-09 2007-11-16 Industrias Gonzalez, S.L. Constructive structure for ventilator front, has vertical posts, which are fixed on forged of building
ITAN20120055A1 (en) * 2012-05-11 2013-11-12 Imi Legno S R L PANEL FOR BUILDING CLADDING AND ITS PREPARATION PROCEDURE
US9151053B2 (en) * 2012-06-26 2015-10-06 Sustainable Holdings, Inc. Modular building panel with frame
CA2998915A1 (en) * 2018-03-22 2019-09-22 Mod Panel Technologies Ltd Modular wall system with internal air and vapour barrier joints

Also Published As

Publication number Publication date
WO2022075857A1 (en) 2022-04-14

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