Sealant for Walls | Sto

February 9, 2016

StoGuard RapidFill is a one-component air barrier and waterproof material that can seal seams, sheathing joints, and transitions in above-grade wall construction. It can fill gaps and cracks up to ½-inch wide, Sto says, and it can be used on most building materials, including brick, wood, galvanized metal, gypsum sheathing, and concrete. It dries quickly and can be applied in wet conditions, cold weather, and humid climates. 

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