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Fire

Most panels have a fire resistance when used as a non-loading panel, and the cores are made from insulating foam incorporating fire retardant materials. Fire regulations aim at reducing the risk of death or injury to occupants, the public and the fire service, and it is achieved by the selection of materials which behave in a predictable manner.

Steel and aluminium liners achieve classifications for combustibility, ignitability, and surface spread of flame; for fire resistant wall construction, steel-skinned composite panels must be used because the melting point of aluminium is too low.

Polystyrene cores are not easily ignited behind the metal skins but can melt and flow out of the panel. Such cores must not be used for internal partitions or ceilings, where there is a high fire risk. Polystyrene cored panels must be isolated and protected from radiation from hot flues.

Once a fire has started within the foam core, fire services are unable to trace or extinguish it and the building should be regarded as unsafe.

Because nylon bolts may jeopardise the integrity of the building during a fire, other mechanical connections should be used if the building is required to have a fire rating or is considered a likely fire risk.

N.B. Fire ratings are available for non-load bearing applications.

Aluminium-skinned composite panels, nylon bolts or polystyrene cores must not be used where the building is required to have a fire rating or is considered a likely fire risk.

 

Clause: 
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Clause Number: 
15.5.5.1
/cop/other-products/insulated-panels#fire
Revision Category: 
0 - Clause Removed
Revision Detail: 

Clause was removed during a revision of Insulated Panels.

Draft Clause: 
014_005_005_001_000_000_000_000_000