Mouldtough features a noncombustible, moisture-resistant gypsum core that is encased in moisture-and mold-resistant, 100% recycled green face and brown back papers. When tested in accordance with ASTM D3273, Standard Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber, the panels meet or exceed ASTM C1396 specifications. The face paper is folded around the long edges to reinforce and protect the core, and the ends are cut square and even.
