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Perlite is in compliance with:
ASTM Standard C728 (which supersedes Federal Specification HH-1 529b).
UL Class A constructions on both combustible and non-combustible roof decks.
UL requirements of (TGXX) metal deck assemblies
UL Construction Numbers: See UL Building Materials Directory.
Listed in UL Building Materials Directory under Mineral and Fiber Boards (CERZ), Fire Hazard Classification of Mineral and Fiber Board (BQXR) and Built-Up Roof Covering Materials (TFJR).
FMRC Class 1 Impregnated Lumber Decks, Insulated Steel Deck (Wind storm Resistance Classification 1-60 and 1-90), and Concrete Deck (Wind storm Resistance Classification 1-180), Non-Combustible Deck Construction.
FMRC Class 1 in “Approval Guide Equipment, Materials, Services for Conservation of Property.”
City of Los Angeles under Report #RR-23599, The Office of the California State Fire Marshall under Listing #4310-134:5, and Metro Dade County, FL.
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