A thin one-part composite system designed to firestop blank openings and larger penetrations such as cable trays and conduit and HVAC ductwork through rated construction.
Firestop tested for up to 4 hours in accordance with ASTM E 814 (UL 1479)
Intumesces (expands with heat) to form a hard char that tightly seals penetrations against flame spread, smoke and toxic gases
Thermally conductive: allows unwanted heat build-up to escape
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