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FireStop

This is a latex based, high solids firestop caulk. This material, when properly installed, effectively seals penetration openings in wood frame construction against the spread of fire, smoke and combustion byproducts. It is a single stage intumescent. When exposed to elevated temperatures, WF310 expands rapidly to seal off voids left by the burning or melting of combustible materials.

wf310-firestop

WF310 - 10.1 OZ.

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