Products / DEXcell FA VSH Glass Mat Roof Board

DEXcell FA VSH Glass Mat Roof Board is a reinforced 5/8 inch gypsum roof board with a moisture-resistant core and precoated heavy-duty glass mat facers, approved for single-ply and multi-ply assemblies meeting the FM Very Severe Hail (VSH) classification and meant to cut adhesive use and often the need for primer under fully adhered membranes; it also sheathes the roof side of parapets. The submittal sheet prints 4 by 4 and 4 by 8 foot boards at 2.9 lb per square foot, UL Class A to unlimited slope per UL 790, FM Class 1, compliance with FM 4450 and FM 4470, a mold score of 10 (ASTM D3273) and manufacture to ASTM C1177.