Casing, 12oz, 4.2 x 1-1/16", Gray Fiberglass Panel

Color: Gray Weight: 12oz/sq ft Width: 42" Stocked lengths: 12'-6", 16'-6", 18'-6" The fiberglass panels (casing or sheathing) are available in General Purpose or Fire Rated material and are corrosion resistant.  The panels are used for louvers and the interior/exterior casing on cooling towers.  The 12'-6" and 16'-6" lengths are available in General Purpose and Fire Retardant material.