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1.1 Scope. 1.1.1* This method of fire tests for qualifying a thermal barrier for protecting foam plastic insulation or metal composite materials (MCM), herein referred to as a thermal barrier, is applicable to building construction materials, products, or assemblies intended to be used to protect foam plastic insulation or MCM from direct fire exposure. A.1.1.1 Model building codes require foam plastic insulation and, in some installations, metal composite material (MCM), to be covered by a thermal barrier, or separated from the interior of the building by, a thermal barrier to reduce the possibility of ignition or delay its occurrence. The typical time specified is 15 minutes based on a fire exposure similar to that inASTM E 119 or ANSI/UL 263. The fire exposure conditions in these test methods are similar. 1.1.2 The performance of the thermal barrier is evaluated by its ability to limit the temperature rise on its unexposed surface and by the ability of the thermal barrier to remain intact in order to provide protection from ignition of the foam plastic insulation or MCM during a standard fire exposure. 1.1.3 This method of fire tests does not evaluate thermal barriers used in or on upholstered furniture or mattresses. 1.1.4 This standard does not purport to address all safety problems or considerations associated with its use.
This standard presents a method for qualifying the fire performance of a thermal barrier to evaluate its ability to prevent ignition from a standard fire exposure or delay its occurrence.
This test method applies to building construction materials, products, or assemblies intended to be used to protect foam plastic insulation or metal composite materials (MCM) from direct fire exposure.
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© National Fire Protection Association (NFPA) 2016