EP4256146A1 - Panneaux structuraux résistant au feu - Google Patents

Panneaux structuraux résistant au feu

Info

Publication number
EP4256146A1
EP4256146A1 EP21835960.2A EP21835960A EP4256146A1 EP 4256146 A1 EP4256146 A1 EP 4256146A1 EP 21835960 A EP21835960 A EP 21835960A EP 4256146 A1 EP4256146 A1 EP 4256146A1
Authority
EP
European Patent Office
Prior art keywords
panel
fire
members
resistant structural
frame
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
EP21835960.2A
Other languages
German (de)
English (en)
Inventor
Derek Ward
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.)
Intumescent Systems Ltd
Original Assignee
Intumescent Systems 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
Priority claimed from GB2019013.8A external-priority patent/GB2601514B/en
Priority claimed from GBGB2102571.3A external-priority patent/GB202102571D0/en
Application filed by Intumescent Systems Ltd filed Critical Intumescent Systems Ltd
Publication of EP4256146A1 publication Critical patent/EP4256146A1/fr
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
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/942—Building elements specially adapted therefor slab-shaped
    • 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
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/941—Building elements specially adapted therefor
    • E04B1/943—Building elements specially adapted therefor elongated
    • E04B1/944—Building elements specially adapted therefor elongated covered with fire-proofing 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
    • 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
    • E04C2/384—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 metal frame
    • 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
    • E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
    • E04C2/526—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits with adaptations not otherwise provided for, for connecting, transport; for making impervious or hermetic, e.g. sealings
    • E04C2/528—Impervious or hermetic panels not otherwise provided for
    • 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
    • E04B1/14—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements being composed of two or more materials

Definitions

  • This invention relates to fire-resistant structural panels for use in the construction industry .
  • structural panels includes wall , ceiling and floor panels for use , for example , in the construction of buildings including housing and industrial units . These items are merely indicative of the uses to which fire-resistant panels in accordance with the invention can be put .
  • the invention relates to a building having internal and/or external walls and/or selected other structural members including floors and ceilings which are produced from fire-resistant panels in accordance with the invention .
  • Structural panels for use in the construction of both residential and commercial buildings are known .
  • Such panels are used in the construction of internal and external walls , ceilings , rooves and floors of buildings and generally comprise a core of rigid foam insulating material sandwiched between and adhesively bonded or otherwise secured to inner and outer panels of , for example , plasterboard or wood .
  • the present invention sets out to provide structural panel s which have all the advantages of presently available structural panels and which additionally act as ef fective f ire breaks for periods in excess of one hour and, in many cases , for time periods in excess of four hours and more .
  • fire resistant structural panels in accordance with the invention provide enhanced acoustic protection .
  • the invention provides a f ire-resistant structural panel which includes an internal frame which borders a quantity of high density thermally insulating material and which comprises a plurality of elongate frame members each encased in a cloth material coated with a solution containing an intumescent material , said fire-resistant structural panel further comprising panel members which are dimensioned to match or substantially match the dimensions of the internal frame and which are secured one to each side of said internal frame , and a coating of a solution containing an intumescent material applied to all exposed surfaces of said f ire-resistant structural panel
  • the high density thermally insulating material comprises one or more sheets of such material of thickness equal to the depth of said internal panel .
  • the frame may include one or more additional elongate members which extend between one or more pairs of opposed elongate frame members .
  • the panel members may be adhered to the sheets of insulating material and/or the internal frame by an adhesive which includes an intumescent material .
  • More than one panel member may be secured to one or each side of the internal frame , each such panel member being secured to its neighbouring panel member by an adhesive which includes an intumescent material .
  • At least one side edge of each fire-resistant structural panel member may be recessed to receive a proj ecting side edge of an adj oining fire-resistant structural panel member .
  • Each elongate frame member preferably comprises a length of timber .
  • Each such length of timber is preferably rectangular in cross section .
  • each elongate frame member comprises a length of aluminium or other metallic material .
  • each such length is preferably rectangular in cross section .
  • the frame may be constructed from a mix of elongate frame members of timber and a metallic material .
  • the cloth material preferably comprises aluminium pigment glass cloth of thickness of between 1 . 2mm and 1 . 4mm .
  • a preferred cloth thickness is 1 . 3mm .
  • the cloth material is preferably coated with an HWO1 or HWO2 intumescent-containing solution as supplied by Intumescent Systems Limited .
  • the panel members are preferably secured to the internal frame by an adhesive which includes an intumescent material .
  • a preferred adhesive is SA20 hybrid high-temperature sealant adhesive as supplied by Intumescent Systems Limited .
  • the high density thermally insulating material comprises rock-wall sheets of thickness of between 50mm and 70mm .
  • a preferred sheet thickness is 60mm .
  • Preferred panel members comprise oriented strand boards ( OSB ) , medium density fibreboards (MDF) , plywood and particle boards .
  • the fire-resistant structural panel members may include on one side a sheet or sheets of cement board and on the other side a sheet or sheets of plaster board .
  • adhesive including an intumescent material is applied to exposed surfaces of each sheet of compacted inert vitreous silicate mineral wool .
  • Each sheet of compacted high density thermally insulating material may comprise a single sheet dimensioned to cover substantially the entire surface of each panel member .
  • each sheet of compacted high dens ity thermally insulating material may comprise a plurality of edgewise abutting or overlapping smaller sheets or pieces of such material which together cover substantially the entire opposed surfaces of the panel members .
  • the abutting edges of adj oining sheets of compacted high density insulating material inert may be covered by strips of tape , preferably tape which is coated with or includes a material which intumesces in the presence of excess heat and/or a fire .
  • abutting edges of adj oining panel members are preferably covered with tape which preferably includes or is coated with a material which intumesces in the presence of fire or excess heat .
  • the invention provides a building whose external and/or internal walls comprise fire-resistant structural panels each of which includes an internal frame comprising one or more sheets of high density thermally insulating material bordered by elongate frame members each encased in a cloth material coated with a solution containing an intumescent material , and panel members dimensioned to match or substantially match the dimensions of the internal frame and secured one to each side of said internal frame , and a coating of a solution containing an intumescent material applied to all exposed surfaces of said fire-resistant structural panel .
  • the ceilings and/or floors of the building may also comprise such fire-resistant structural panel .
  • Figure 1 is a plan view of a fire-resistant structural wall panel in accordance with the invention with one of its two facing panel members removed;
  • Figure 2 is a section taken along line A-A of Figure 1 but with both facing panel members in place ;
  • Figure 3 is a perspective view to an enlarged scale of one corner of a fire-resistant structural ceiling panel of the same construction as the wall panel illustrated in Figure l illustrated in Figure 1 ; and Figure 4 is an isometric view from above of fire-resistant structural panels assembled to define external and internal walls of a building under construction .
  • the fire-resistant structural wall panel 10 illustrated in Figures 1 and 2 of the accompanying drawings comprises a pair of external panel members 12 , 14 (only one of which is shown in Figure 1 ) secured one to each side of an internal frame constructed from elongate frame members 16 .
  • each external panel member 12 , 14 comprises a fire board or an assembly of fire boards coated on its external surface with a coating which includes an intumescent material .
  • each surface of each panel member is coated with such a coating .
  • each panel member may comprise a single sheet of a suitable material , or a plurality of such sheets adhered together by means o f an adhesive which preferably contains a substance which intumesces in the presence of extreme heat .
  • the panel members comprise fire boards such as "S INIAT GTEC” fire boards ("S INIAT” is a registered trademark of ETEX NV) , Gypsum plasterboard, fire-line plasterboard, cement board and OS board .
  • the frame members 16 are typically lengths of timber of rectangular cross section covered with sheets 18 of fabric or other material such as glass cloth coated with a solution which intumesces in the presence of excessive heat .
  • the sheets are typically adhered to the timber frame members 16 with an adhesive which preferably contains a substance which intumesces in the presence of excessive heat .
  • the sheets 18 typically comprise aluminium glass cloth of thickness between 1 . 1mm and 1 . 5mm ( typically 1 . 3mm) and weight between 50g/m2 and 70g/m2 ( typically 60g/m2 ) coated with an intumescent solution, ( typically Applicant ' s HW01 coating material ) .
  • frame members 16 comprise lengths of metal such as steel . Such frame members are treated in the same way as described above with reference to frame members 16 .
  • a suitable adhesive comprises the Applicant ' s SA20 intumescent containing adhesive which includes measured quantities of an intumescent material .
  • each mineral wool sheet 20 is between 40mm and 70mm, this depending on the thickness of the frame members 16 .
  • the density of each mineral wool sheet is between 120 and 180kg/m3 .
  • the mineral wool sheets provide ef fective insulation against heat loss .
  • the adhesive is l iberally applied to each side of the sheets 20 of compacted inert vitreous silicate mineral wool and/or the exposed surfaces of the frame members 16 .
  • one side edge of the illustrated panel 10 is recessed along its full length to create a channel 22 to receive the lengthwise extending protruding side edge of an adj oining frame member 16 of a neighbouring panel to provide a tight bonding between adj oining panels .
  • the respective frame member 16 extends to the periphery of the frame member .
  • the sides of the channels 22 are preferably coated with an adhesive including a content of intumescent material .
  • the abutting edges of adj oining panels 10 are covered with adhesive tape including or coated with an intumescent material .
  • openings 24 are selectively formed in the panels 10 to receive building members such as columns , beams and the like .
  • each panel 12 , 14 comprises a plurality of individual sheets adhered together to define a single panel .
  • the panels 12 comprise up to four individual panel sheets which typically comprise sheets of OSB , fire-line plasterboard, gypsum plasterboard and cement board adhered one to another using an adhesive , preferably an adhesive which includes a material which intumesces in the event of excessive heat .
  • the panels 14 comprise individual panel sheets of OSB and cement board adhered one to the other using an adhesive , preferably an adhesive which intumesces in the event of excessive heat .
  • an adhesive preferably an adhesive which intumesces in the event of excessive heat .
  • the coated panels 12 , 14 and frame members 16 ensure that a fire-resistant char is produced on all exposed surfaces of the panel and frame members 12 , 14 in the event of fire or excessive heat .
  • This char has been found to remain in place and to resist the passage of f lames for periods of time well in excess of 60 minutes , more likely periods in excess of four hours .
  • the outermost charred sheet of the panel can readily be removed and replaced with a fresh panel sheet coated on all exposed surfaces with a solution or paint which includes a material which intumesces in the event of excessive heat .
  • Panel sheets behind the outermost charred sheet were found to be undamaged and well able to receive a fresh outer panel sheet .
  • Connections for electric sockets and the like were al so found to be undamaged and able to be reused once the appropriate connections had been made .
  • panels in accordance with the invention continued to provide an ef fective fire break for periods in excess of four hours .
  • FIG. 4 An assembly of panels to form internal and external structural fireproofed insulated internal walls 12 , 14 respectively of a mock-up building is shown in Figure 4 .
  • openings 24 for doorways , windows , support beams and the like are simply cut into the panels as and where required .
  • Such panelled structures are intended to replace conventional brick built external and internal walls of buildings thereby reducing building costs and erection times .
  • the outer faces of the external walls may be clad with, for example , hanging tiles for aesthetic and/or weathering purposes .
  • the test also demonstrated that confinement of the fire within its initial location would enable persons resident in the building to move to a fire- free part of the building before safely leaving the building .

Landscapes

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

Abstract

L'invention concerne un panneau structural résistant au feu qui comprend un cadre interne qui borde une quantité de matériau thermiquement isolant de haute densité et qui comprend une pluralité d'éléments de cadre de forme allongée, chacun étant enrobé dans un matériau de tissu revêtu d'une solution contenant un matériau intumescent. Le panneau comprend également des éléments de panneau qui sont dimensionnés pour correspondre ou correspondent sensiblement aux dimensions du cadre interne et qui sont fixés l'un à chaque côté dudit cadre interne. Un revêtement d'une solution contenant un matériau intumescent est appliqué sur toutes les surfaces exposées dudit panneau structural résistant au feu.
EP21835960.2A 2020-12-02 2021-11-30 Panneaux structuraux résistant au feu Pending EP4256146A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2019013.8A GB2601514B (en) 2020-12-02 2020-12-02 Fire Rated Wall Panelling for Buildings
GBGB2102571.3A GB202102571D0 (en) 2021-02-23 2021-02-23 Structural insulated panels
PCT/EP2021/083508 WO2022117543A1 (fr) 2020-12-02 2021-11-30 Panneaux structuraux résistant au feu

Publications (1)

Publication Number Publication Date
EP4256146A1 true EP4256146A1 (fr) 2023-10-11

Family

ID=79230850

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21835960.2A Pending EP4256146A1 (fr) 2020-12-02 2021-11-30 Panneaux structuraux résistant au feu

Country Status (4)

Country Link
EP (1) EP4256146A1 (fr)
AU (1) AU2021376718A1 (fr)
GB (1) GB2603273B (fr)
WO (1) WO2022117543A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1477658A (en) 1974-10-08 1977-06-22 Ici Ltd Laminates
GB8419040D0 (en) 1984-07-26 1984-08-30 Dixon International Ltd Adhesive/cement
AU5072593A (en) * 1992-12-01 1994-06-16 Avco Corporation Reinforcement system for mastic intumescent fire protection coatings
US6182407B1 (en) * 1998-12-24 2001-02-06 Johns Manville International, Inc. Gypsum board/intumescent material fire barrier wall
GB2373536B (en) * 2001-03-22 2004-08-04 Environmental Seals Ltd Fire doors and panels
US20090007513A1 (en) 2007-02-27 2009-01-08 International Resin S.A. Fire resistant and intumescent laminate, useful as a vapor barrier in wood and steel constructions
US8181738B2 (en) * 2007-04-24 2012-05-22 Serious Energy, Inc. Acoustical sound proofing material with improved damping at select frequencies and methods for manufacturing same
US20210261794A1 (en) * 2020-02-26 2021-08-26 Textum Weaving, Inc. Heat activated reinforcing fabric configured for intumescent material expansion

Also Published As

Publication number Publication date
WO2022117543A1 (fr) 2022-06-09
GB2603273B (en) 2023-01-25
AU2021376718A1 (en) 2022-06-16
GB202117243D0 (en) 2022-01-12
GB2603273A (en) 2022-08-03

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