Seal Seams and Cracks in Walls

Sto RapidGuard seals rough openings, seams, sheathing joints, cracks, penetrations and transitions in above-grade wall construction.

Sto Corp. has introduced Sto RapidGuard, a single-component, multi-use air barrier and waterproofing material that seals rough openings, seams, sheathing joints, cracks, penetrations and transitions in above-grade wall construction. Sto RapidGuard adheres to damp substrates without blistering or increasing drying time. The product, which can be installed in near-freezing temperatures, bridges cracks and seams in wall construction without tearing or compromising the established air and moisture barrier. It works with Sto waterproofing air barrier membranes and is compatible with concrete, concrete masonry, brick, gypsum sheathing, wood, galvanized material and cement-based sheathings. There is no need for tape, mesh or fabric during installation, and it can be applied without special tools or applicator training.

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