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1.1 Scope. 1.1.1 This standard describes a test method for determining the contribution of textile or expanded vinyl wall coverings to room fire growth during specified fire exposure conditions. 1.1.2* This test method shall be used to evaluate the flammability characteristics of textile or expanded vinyl wall coverings where such materials constitute the exposed interior surfaces of buildings and demountable, relocatable, full height partitions used in open building interiors. A.1.1.2 Demountable, relocatable, full-height partitions include demountable, relocatable, full-height partitions that fill the space between the finished floor and the finished ceiling. 1.1.3 This test method shall not be used to evaluate the fire-resistance of assemblies, nor shall it be used to evaluate the effect of fires originating within a wall assembly. 1.1.4* This test method shall not be used for the evaluation of floor or ceiling finishes. A.1.1.4 One important difference between the ignition source in this test method and that used in NFPA 286, Standard Methods of Fire Tests for Evaluating Contribution of Wall and Ceiling Interior Finish to Room Fire Growth, is that the flame in the NFPA 265 ignition source does not reach the ceiling. Thus, the NFPA 265 ignition source should not be used for testing materials that are to be installed on the ceiling. 1.1.5* This test method shall not apply to fabric-covered, lower-than-ceiling-height, freestanding, prefabricated panel furniture systems. A.1.1.5 Freestanding panel furniture systems include all freestanding panels that provide visual separation, acoustical separation, or both and that are intended to be used to divide space or to support components to form complete work stations.
This standard describes a method for determining the contribution of textile wall coverings to room fire growth during specified fire exposure conditions, thereby facilitating the selection of fire-resistant materials and increasing safety.
This test method evaluates flammability characteristics of interior textile wall coverings, measures certain fire performance characteristics, and determines the potential contribution to fire growth in a room and for fire spread beyond the room. Coverage includes test equipment. specimen mounting, instrumentation, calibration, test procedures, calculations, and documentation.
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