Commercial Roofing
Meets the requirements of ASTM C 1177
Very Severe Hail: JM DEXcell FA VSH Glass Mat Roof Board meets FM 'VSH' with fully adhered JM 80 mil (smooth back) TPO membrane and standard JM TPO membrane adhesives, 4'x4' DEXcell FA VSH boards adhered in JM Roofing System Urethane Adhesive (RSUA) ribbons, 12" OC min. JM TPO FB 115 or FB 135 membranes can be adhered with JM Two-Part UIA in a splatter application, DEXcell FA VSH may be mechanically fastened or adhered with JM RSUA in ribbons, 12" OC min.
Handleability: Heavy duty coated fiberglass facer ideal for fully adhered systems improves handling and strength. Scores and snaps easily.
Strength: High compressive strength improves overall roof system performance. Ideal for systems where wind uplift and puncture resistance are a concern.
Fire Performance: FM Class 1 for fire barrier requirements and UL Class A unlimited slope with excellent surface burning characteristics. 5/8" thickness meets the requirements of Type X per ASTM C 1177.
Moisture and Mold Resistance: Enhanced mold resistant core and coated fiberglass facers provide mold and mildew resistance per ASTM-D 3273.
