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All Categories > Fire Protection Products > STI Spec Seal > WF 300 Wood Frame Firestop Sealant > View Items  
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WF 300 Wood Frame Firestop Sealant

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Type WF300 Caulk 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.

Type WF300 Caulk is a single stage intumescent. When exposed to elevated temperatures, WF300 expands rapidly to seal off voids left by the burning or melting of combustible materials.

Type WF300 Caulk is storage stable (when stored according to manufacturer’s recommendations) and will not separate or shrink when dried. WF300 adheres tenaciously to common construction materials such as lumber and gypsum board as well as typical penetrant materials.

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SSWF305.5G Wood Frame Firestop Sealant 5 gallon pail Per Gallon In 5 Gallon Pails 55 lbs Per Pail
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