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> Boss 814 intumescent latex firestop sealant 20 fl.oz.
Boss 814 intumescent latex firestop sealant 20 fl.oz.
Boss 814 Intumescent Latex Firestop Sealant 20 FL.OZ.
A single-component, elastomeric, intumescent firestop sealant that expands to form an insulating char, preventing the spread of fire, smoke, and toxic gases through construction openings. Meets or exceeds ASTM E-814 (UL 1479) and meets the criteria for fire/smoke/draft stop for BOCA, CABO, UBC, SBCCI, IRC and the 2003 International Building Codes.
