American Gypsum Drywall Moisture Resistant 2026
American Gypsum’s moisture-resistant drywall comes primarily through their Aquabloc brand name, and it’s different from standard whiteboard in three measurable ways:
The core contains borate compounds that inhibit mold growth — not just surface treatment. You can verify this by checking the purple paper face side marking on the product.
American Gypsum’s Aquabloc has verified purple paper face marking and borate-treated cores — verify with manufacturer before specifying on bid documents.
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