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EPD: Waterproofing gypsum board with non-woven glass-mat facing, 12.7 mm, 8.16 kg/m2, Securock ExoAir 430 (USG)
Securock ExoAir 430 consists of a non-combustible core primarily of gypsum with non-woven glass-mat facings on the face and back [AS C1658] coated with an air/water permeable membrane. This EPD covers the exterior glass- mat gypsum board products produced by USG Corporation at USG’s Jacksonville, FL gypsum board plant. Securock ExoAir 430 System is a gypsum sheathing panel with a factory-applied fluid air/water barrier membrane coated to the face of the panel. The panel brings two proven technologies together - Securock Brand Glass-Mat Sheathing and Tremco Commercial Sealants & Waterproofing’s fluid-applied air/water barrier membrane into one panel—that efficiently delivers the high-performance air/water barrier. The controlled factory application of the membrane to the face of the panel provides the assurance that only a traditional thick-film membrane can. The system provides air/water barrier continuity with a direct connection of the sealant to the membrane, giving visual verification to ensure that the air/water barrier will perform to expectations.