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GB2038711A - Fire retardant panelling - Google Patents

Fire retardant panelling Download PDF

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Publication number
GB2038711A
GB2038711A GB7934260A GB7934260A GB2038711A GB 2038711 A GB2038711 A GB 2038711A GB 7934260 A GB7934260 A GB 7934260A GB 7934260 A GB7934260 A GB 7934260A GB 2038711 A GB2038711 A GB 2038711A
Authority
GB
United Kingdom
Prior art keywords
fire retardant
panel
thermally insulating
panels
materials
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.)
Granted
Application number
GB7934260A
Other versions
GB2038711B (en
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.)
Pilgrims Pride Ltd
Original Assignee
Danepak 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 Danepak Ltd filed Critical Danepak Ltd
Priority to GB7934260A priority Critical patent/GB2038711B/en
Publication of GB2038711A publication Critical patent/GB2038711A/en
Application granted granted Critical
Publication of GB2038711B publication Critical patent/GB2038711B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/04—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material
    • B32B19/047—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/08—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica comprising asbestos
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed 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
    • E04B1/62—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
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/10—Buildings forming part of cooling plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
    • B32B2315/12—Asbestos

Landscapes

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

Abstract

Panels are provided for the formation of walls especially for cold stores, each panel being a laminate of at least one layer of thermally insulating material and at least one layer of fire retardant material. The edges of the panels are rebated such that when two thereof are joined in abutting relationship there is an overlap of the fire retardant material at the joint and no gap for the passage of fire.

Description

SPECIFICATION Fire retardant panelling This invention relates to fire retardant panelling and more particularly such panelling which is also thermally insulating. Panelling of this kind has particular application in the construction of cold stores such as warehouses where food or other substances are required to be kept at reduced temperatures, and where it is desirable to prevent or delay passage of fire through the panelling. A particular problem arises in that many materials which have high thermal insulating properties are easily combustible.
It is known to provide panels which are formed from separate fire retardant and thermally insulating components, but these are normally assembled with butt joints leaving gaps between adjacent panels thus reducing the effective fire retardant properties.
It is an object of the present invention to provide fire retardant and thermally insulating panelling which overcomes this disadvantage.
According to the present invention there is provided a panel for use in forming the walls of a cold or chilled storage locality, the panel including at least one layer of each of a thermally insulating material and a fire retardant material, and in which at the edges of the panel which are to be joined to a similar panel a rebate is formed so that when two or more panels are joined together an overlap of the fire retardant material is provided at the joint.
The invention will be further apparent from the following description with reference to the single figure of the accompanying drawing which shows, by way of example only, a cross-section through a joint between two panels embodying the invention.
Referring now to the drawing it will be seen that the first panel has outer or facing skins 1 and 5which are separated by two layers of thermally insulating material 2 and 4, which sandwich between them a layer 3 of a fire rated board or other fire retardant material.
The second panel is of similar construction having facing skins 1 a and 5a and thermally insulating layers 2a and 4a sandwiching therebetween a fire retardant material 3a. The first panel is provided at the edge which joins the second panel with a rebate defining a right angular corner 11 and with a wooden batten 7 abutting the thermally insulating material 2.
The second panel is provided with a rebate forming a right angular corner 10 and with a wooden batten 6 abutting the thermally insulating material 2a.
Thus when the two panels are brought into abutting relationship, the rebates accommodate the corners of the opposite panel so that there is an overlap of the fire retardant materials 3 and 3a, and the two wooden battens 6 and 7 come into face contact when they may be secured together and cloaked by a cloaking strip 8 secured to the battens 6 and 7 by screws 12 or other convenient fixing means.
The thermally insulating materials 2, 4, 2a and 4a are of foamed polyurethane whilst the fire retardant materials 3 and 3a are of fire rated board incorporating asbestos or other similar fire retardant material.
One suitable board is Superlux ((Trade Mark) available from Cape Insulations Limited.
Whilst the thermally insulating materials 2, 4, 2a and 4a will each have thicknesses of 6 cm or thereabouts (other thicknesses are of course possible) it is preferred that the materials 2 and 4a are thinner than the materials 4 and 2a by the thickness of the materials 3 and 3a so that the panels abut with their faces flush with one another and with the fuli double thickness of fire retardant material at the joint.
The thermally insulating materials and fire retardant material will conveniently be glued together by appropriate adhesives, (desirably fire retardant adhesives) suitable for the materials involved.
It is thought that by the provision of the rebates at abutting ends of the panels, a useful contribution is made to the known art of thermally insulating and fire retardant panels since there is now formed in the joint between adjacent panels no gap through which fire may pass.
In a modification two layers of fire retardant material are provided in each panel thus providing four thicknesses of such at the joint between adjacent panels. Again, the dimensions of the thermally insulating materials is preferably chosen to ensure that the faces of the panels are flush at the joint.
1. A panel for use in forming the walls of a cold or chilled storage locality, the panel including at least one layer of each of a thermally insulating material and a fire retardant material, and in which at the edges of the panel which are to be joined to a similar panel a rebate is formed so that when two or more panels are joined together an overlap of the fire retardant material is provided at the joint.
2. A panel according to claim 1 wherein a single layer of fire retardant material is provided and which is sandwiched between two layers of thermally insulating material.
3. A panel according to claim 1 wherein two layers of fire retardant material are provided and which are sandwiched between two layers of thermally insulating material.
4. A panel according to either claim 2 or claim 3 wherein the thickness of one of the layers of thermally insulating material together with the thickness of the layer or layers of fire retardant materials equals the thickness of the remaining layer of thermally insulating material such that when two panels are joined together the faces thereof are flush.
5. A panel according to any preceding claim wherein a wooden batten is provided to line the exposed edge of one of the layers of thermally insulating material at each rebated edge of the panel, the arrangement being such that two such battens come together at each joint between adjacent panels.
6. A panel according to any preceding claim wherein the layers of thermally insulating material are of foamed polyurethane.
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (9)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Fire retardant panelling This invention relates to fire retardant panelling and more particularly such panelling which is also thermally insulating. Panelling of this kind has particular application in the construction of cold stores such as warehouses where food or other substances are required to be kept at reduced temperatures, and where it is desirable to prevent or delay passage of fire through the panelling. A particular problem arises in that many materials which have high thermal insulating properties are easily combustible. It is known to provide panels which are formed from separate fire retardant and thermally insulating components, but these are normally assembled with butt joints leaving gaps between adjacent panels thus reducing the effective fire retardant properties. It is an object of the present invention to provide fire retardant and thermally insulating panelling which overcomes this disadvantage. According to the present invention there is provided a panel for use in forming the walls of a cold or chilled storage locality, the panel including at least one layer of each of a thermally insulating material and a fire retardant material, and in which at the edges of the panel which are to be joined to a similar panel a rebate is formed so that when two or more panels are joined together an overlap of the fire retardant material is provided at the joint. The invention will be further apparent from the following description with reference to the single figure of the accompanying drawing which shows, by way of example only, a cross-section through a joint between two panels embodying the invention. Referring now to the drawing it will be seen that the first panel has outer or facing skins 1 and 5which are separated by two layers of thermally insulating material 2 and 4, which sandwich between them a layer 3 of a fire rated board or other fire retardant material. The second panel is of similar construction having facing skins 1 a and 5a and thermally insulating layers 2a and 4a sandwiching therebetween a fire retardant material 3a. The first panel is provided at the edge which joins the second panel with a rebate defining a right angular corner 11 and with a wooden batten 7 abutting the thermally insulating material 2. The second panel is provided with a rebate forming a right angular corner 10 and with a wooden batten 6 abutting the thermally insulating material 2a. Thus when the two panels are brought into abutting relationship, the rebates accommodate the corners of the opposite panel so that there is an overlap of the fire retardant materials 3 and 3a, and the two wooden battens 6 and 7 come into face contact when they may be secured together and cloaked by a cloaking strip 8 secured to the battens 6 and 7 by screws 12 or other convenient fixing means. The thermally insulating materials 2, 4, 2a and 4a are of foamed polyurethane whilst the fire retardant materials 3 and 3a are of fire rated board incorporating asbestos or other similar fire retardant material. One suitable board is Superlux ((Trade Mark) available from Cape Insulations Limited. Whilst the thermally insulating materials 2, 4, 2a and 4a will each have thicknesses of 6 cm or thereabouts (other thicknesses are of course possible) it is preferred that the materials 2 and 4a are thinner than the materials 4 and 2a by the thickness of the materials 3 and 3a so that the panels abut with their faces flush with one another and with the fuli double thickness of fire retardant material at the joint. The thermally insulating materials and fire retardant material will conveniently be glued together by appropriate adhesives, (desirably fire retardant adhesives) suitable for the materials involved. It is thought that by the provision of the rebates at abutting ends of the panels, a useful contribution is made to the known art of thermally insulating and fire retardant panels since there is now formed in the joint between adjacent panels no gap through which fire may pass. In a modification two layers of fire retardant material are provided in each panel thus providing four thicknesses of such at the joint between adjacent panels. Again, the dimensions of the thermally insulating materials is preferably chosen to ensure that the faces of the panels are flush at the joint. CLAIMS
1. A panel for use in forming the walls of a cold or chilled storage locality, the panel including at least one layer of each of a thermally insulating material and a fire retardant material, and in which at the edges of the panel which are to be joined to a similar panel a rebate is formed so that when two or more panels are joined together an overlap of the fire retardant material is provided at the joint.
2. A panel according to claim 1 wherein a single layer of fire retardant material is provided and which is sandwiched between two layers of thermally insulating material.
3. A panel according to claim 1 wherein two layers of fire retardant material are provided and which are sandwiched between two layers of thermally insulating material.
4. A panel according to either claim 2 or claim 3 wherein the thickness of one of the layers of thermally insulating material together with the thickness of the layer or layers of fire retardant materials equals the thickness of the remaining layer of thermally insulating material such that when two panels are joined together the faces thereof are flush.
5. A panel according to any preceding claim wherein a wooden batten is provided to line the exposed edge of one of the layers of thermally insulating material at each rebated edge of the panel, the arrangement being such that two such battens come together at each joint between adjacent panels.
6. A panel according to any preceding claim wherein the layers of thermally insulating material are of foamed polyurethane.
7. A panel according to any preceding claim wherein each layer of fire retardant material is formed by a fire rated board incorporating asbestos or other fire retardant material.
8. A panel according to any preceding claim whose major surfaces are covered with a facing skin.
9. A panel substantially as described herein with reference to and as illustrated by the single figure of the accompanying drawing.
GB7934260A 1978-10-04 1979-10-03 Fire retardant panelling Expired GB2038711B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7934260A GB2038711B (en) 1978-10-04 1979-10-03 Fire retardant panelling

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7839288 1978-10-04
GB7934260A GB2038711B (en) 1978-10-04 1979-10-03 Fire retardant panelling

Publications (2)

Publication Number Publication Date
GB2038711A true GB2038711A (en) 1980-07-30
GB2038711B GB2038711B (en) 1982-10-06

Family

ID=26269071

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7934260A Expired GB2038711B (en) 1978-10-04 1979-10-03 Fire retardant panelling

Country Status (1)

Country Link
GB (1) GB2038711B (en)

Also Published As

Publication number Publication date
GB2038711B (en) 1982-10-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee