Air Barrier

ParexUSA

WeatherTech WeatherBlock SP1 Spray & Roll-On is a Class I, 100-percent acrylic co-polymer fast-drying vapor barrier, elastomeric waterproof, and air barrier coating which can be either rolled, brushed, or spray-applied. Designed for use as a vapor barrier behind exterior claddings. It is extremely flexible, designed to bridge cracks and accommodate small movements up to 1/32 inches.

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