EP3688241B1 - A wall element - Google Patents

A wall element Download PDF

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Publication number
EP3688241B1
EP3688241B1 EP19707127.7A EP19707127A EP3688241B1 EP 3688241 B1 EP3688241 B1 EP 3688241B1 EP 19707127 A EP19707127 A EP 19707127A EP 3688241 B1 EP3688241 B1 EP 3688241B1
Authority
EP
European Patent Office
Prior art keywords
bars
wall element
adjacent
opp
osb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19707127.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3688241A1 (en
Inventor
Rimantas MAZENIS
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.)
Uab "progresyvus Namai"
Original Assignee
Uab "progresyvus Namai"
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 Uab "progresyvus Namai" filed Critical Uab "progresyvus Namai"
Priority to PL19707127T priority Critical patent/PL3688241T3/pl
Publication of EP3688241A1 publication Critical patent/EP3688241A1/en
Application granted granted Critical
Publication of EP3688241B1 publication Critical patent/EP3688241B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04C2/30—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
    • E04C2/02—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
    • 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
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/10—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of wood
    • 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
    • E04B2001/7691—Heat reflecting layers or coatings

Definitions

  • the invention relates to construction industry, namely, to structural element of building walls and other partition structures. More specifically, the invention relates to an exterior wall element with excellent thermal insulation properties.
  • the closest prior art is described in Slovakian Patent No. 6285 .
  • the invention relates to a wooden wall panel, which is made of two side bars and one central bar with attached oriented strand boards (OSB) on both sides, covered with vapour barrier film on the inner side.
  • OSB oriented strand boards
  • the internal cavity between OSB sheets is filled with thermal insulation made of extruded polystyrene (EPS).
  • EPS extruded polystyrene
  • the wall element is made of plurality rectangular cross-section glued timber vertical bars of 2000-3500 mm in height, which are arranged in a single line at a distance of 600-700 mm apart, interconnected by horizontal beams of the same cross-section, which are attached to the top and bottom of vertical bars and together with the bars form the frame of the wall element; this frame is covered on both sides with OSB sheets and contains many thermal insulating air chambers between those sheets formed by rolling continuous metallised oriented polypropylene (OPP) film multiple times up and down parallel to the OSB sheets through the entire height and width of the vertical bars, by maintaining a gap of 10-15 mm between the adjacent films; spacing between the adjacent films is formed by interconnected polystyrene strips of 10-15 mm in width and 30-40 mm in height,
  • OPP continuous metallised oriented polypropylene
  • the frame of this wall element is made of plurality of glued timber vertical bars 1 of 2000-3500 mm in height, with preferable cross-section of 45x300 mm; bars are arranged in one line with a gap of 600-700 mm between the adjacent bars 1. Height and number of vertical bars 1 depend on dimensions of the designed wall. Vertical bars 1 are interconnected with the top and bottom horizontal beams 2 and 3 of the same cross-section; these beams are attached to the top and bottom ends of vertical bars 1.
  • cavities between adjacent vertical bars 1 are filled with continuous oriented metallized (OPP) film 4 which is rolled up and down multiple times over the entire height and width of vertical bars 1, by maintaining a 10-15 mm gap between adjacent OPP films 4, thus forming many thermal-insulating air chambers 5.
  • Gaps between adjacent OPP films 4 are formed using 10-15 mm in width and 30-40 mm in height polystyrene strips 6, which are inserted into grooves 7 between the adjacent bars 1 and their side surfaces are interconnected with metal clamps 8.
  • OPP films are stretched in a way so that these OPP films would not touch each other under their own gravity when the wall element is in a horizontal position.
  • Both sides of the frame are covered with oriented strand boards (OSB) 9, fixed to the bars 1 and beams 2 and 3.
  • OSB oriented strand boards
  • This structural wall element is assembled as follows: first of all, bars 1 are fixed to the inner side of the first OSB panel 9, which is covered with a vapour barrier 10, by maintaining 600-700 mm gaps between the bars ( Fig. 4 ). The height of the OSB panel is estimated to cover the top and bottom beams 2 and 3, which will be fixed to the bars 1 later.
  • the first polystyrene strips 6 are inserted into the each groove 7 at the top and bottom ends of the adjacent bars 1 and attached to the OSB panel 9 using metal clamps ( Fig. 5 ).
  • the first end of the unrolled OPP film 4 is fixed to the first polystyrene strip 6 inserted into the first end of the bar 1 using clamps 8; then OPP film 4 is unrolled over the entire length of the bars 1; stretched film is attached to the second polystyrene strip 6 located in grooves 7 on the opposite ends 7 of the adjacent bars 1 using clamps 8 ( Fig. 6 ).
  • the OPP film 4 is rolled to the opposite end of the bars 1 thus covering both of previously attached and fixed polystyrene strips 6 ( Fig. 8 ).
  • the OPP film 4 is rolled to the opposite end of the bars 1 by covering both of the previously attached and fixed polystyrene strips 6 ( Fig. 10 ).
  • beams 2 and 3 are fixed to the top and bottom ends of the bars 1 ( Fig. 14 ).
  • the frame filled with OPP films 4 is covered with the second OSB sheet 9 (the inner side of which is coated with vapour barrier 10); this results in the final wall element depicted in Fig. 15 .
  • the thermal insulation layer of the wall element contains plurality of air chambers 5, which are formed by unrolling the OPP film multiple times up and down over the entire length and width of vertical bars 1, maintaining 10-15 mm gaps between the adjacent OPP films 4.
  • the thermal insulation assessment performed in the laboratory showed that the calculated value of heat transfer coefficient U of such structural wall element is 0.10-0.14 W/(m 2 K), depending on used films 4 as well as number of air chambers 5 inside the wall element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Panels For Use In Building Construction (AREA)
EP19707127.7A 2018-02-22 2019-02-13 A wall element Active EP3688241B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL19707127T PL3688241T3 (pl) 2018-02-22 2019-02-13 Element ścienny

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LT2018506A LT6556B (lt) 2018-02-22 2018-02-22 Sienos elementas
PCT/IB2019/051148 WO2019162804A1 (en) 2018-02-22 2019-02-13 A wall element

Publications (2)

Publication Number Publication Date
EP3688241A1 EP3688241A1 (en) 2020-08-05
EP3688241B1 true EP3688241B1 (en) 2021-07-28

Family

ID=63344805

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19707127.7A Active EP3688241B1 (en) 2018-02-22 2019-02-13 A wall element

Country Status (6)

Country Link
EP (1) EP3688241B1 (lt)
DK (1) DK3688241T3 (lt)
ES (1) ES2896886T3 (lt)
LT (1) LT6556B (lt)
PL (1) PL3688241T3 (lt)
WO (1) WO2019162804A1 (lt)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB417114A (en) * 1931-03-03 1934-09-24 Munters Carl Georg Improvements in or relating to heat insulation
GB546540A (en) * 1941-01-16 1942-07-17 American Flange & Mfg Improvements in and connected with thermal insulation
US4421203A (en) * 1982-08-25 1983-12-20 Bergamini John V W Roll-out layered expansible membranes (ROLEM)
JPH07150647A (ja) * 1993-11-30 1995-06-13 Higashi Nippon House Kk 多層空気層断熱材
IL163370A (en) * 2004-08-05 2007-02-11 Polyon Barkai Ind 1993 Ltd Insulation structures
US9163397B2 (en) 2010-07-23 2015-10-20 National Gypsum Properties, Llc Foil-backed wallboard and insulation system
SK6285Y1 (sk) * 2011-12-16 2012-11-05 Jozef Hokinka Wooden wall panel

Also Published As

Publication number Publication date
LT6556B (lt) 2018-09-25
PL3688241T3 (pl) 2022-01-03
EP3688241A1 (en) 2020-08-05
ES2896886T3 (es) 2022-02-28
WO2019162804A1 (en) 2019-08-29
DK3688241T3 (da) 2021-11-01
LT2018506A (lt) 2018-08-27

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