- 12.7 mm (1/2 in.) and 15.9 mm (5/8 in.) moisture and mould resistant panels with a glass-mat back and proprietary coating face for exceptional tile bond
- Lightweight and easy to score, snap and fasten
- Moisture- and mould-resistant substrate
- Exceeds ASTM C1178, Standard Specification for Coated Glass Mat Water-Resistant Gypsum Backing Panel
- Score a "10" 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
- 20 Year Limited WarrantyTile Grout Sponges
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