b'GLASS REY GYPSUM BOARD Withafireproofcorespeciallydesignedtopreventwaterabsorption,coveredwith fiberglass on both sides, to resist mold. The Panel Rey Glass Rey product was rated with the value of 10 on ASTM D3273 test. It offers guaranteed performance against degradation, peeling and deterioration due to exposure of UV rays, rain, wind, ice and snow. This product offers dimensional stability, which guarantees resistance to deformation, buckling and deflection on a flat uniform surface. It is highly resistant to bending in either direction, and can be installed vertically or perpendicularly. Uses and benefits It is moisture resistant, but it also allows good permeability. Excellent performance under normal weather conditions for 12 months. Mold development resistance of 10 according to standard ASTM D3273. Dimensionally stable under temperature and moisture changes. It resists deformation, ondulation, buckling and deflection in proper substrates. Does not require special cutting equipment and it is easy to install.Adequate for different finishes.Product InformationThickness Widht Lenght* Type of Edge Thermal resistance R(12.7mm) 4(1219mm) 8- 12(2438mm - 3658mm) Square 0.455/8 (15.9mm) 4(1219mm) 8- 12(2438mm - 3658mm) Square 0.48*Special lengths are available upon request. Restrictions apply.Applicable standardsManufacturing Installation Surface Burning CharacteristicsASTM C1177 ASTM C-840 ASTM E-84Flame Spread 0Smoke Developed 0These Panel Rey products are classified by Underwriters Laboratories, Inc. pursuant to ASTM E-119 and ASTM E-84 standards. Fire Resistance Classification TypeGREXSurface Burning CharacteristicsFlame Spread 0Smoke Developed 0See UL Directory of Products Certified for Canada and UL Fire Resistance Directory08'