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FM Approvals 4924
- Pipe and Duct Insulation
- standard by FM Approvals, 01/01/2013
- Publisher: FM Approvals
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This standard states Approval requirements for materials which may be used as insulation on theexterior of noncombustible pipes or ducts. If such a material is sufficiently combustible, it maycause a spreading fire along the route of the pipe or duct which it insulates. Mechanical pipingsystems such as those in heating, ventilating, air conditioning, or refrigeration sometimes need tobe insulated for maximum operational efficiency. This standard sets the performance requirementsto accurately assess the ability of a material to resist this fire.
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