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Gypsum Panel with a Pre-Applied Air/Water Barrier

USG Corporation collaborating with Tremco Commercial Sealants & Waterproofing unveiled Securock® ExoAir® 430 System, a new advancement in air barrier installation to the construction industry. The integration of two already proven products—USG Securock® Brand Glass-Mat Sheathing Panels and Tremco’s ExoAir® membrane—will bring a system with built-in performance to the market.


In a controlled environment, the air/water barrier coating is applied to a glass-mat faced, moisture and mold-resistant gypsum sheathing panel. This process results in a uniform membrane with superior bond to the substrate. The system, comprised of the panel and detailing components, simplifies the installation process and eliminates many traditional application challenges like weather impact, material waste and performance variances, while improving jobsite scheduling concerns. Progressive Engineering Inc. and Underwriters Laboratory have accredited Securock ExoAir 430 System for code compliance and fire resistance performance.


Securock ExoAir 430 System was introduced last month in the Southeast region of the United States, with subsequent regional expansion to follow.

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