Formglas - Materials - GRFG - Gfrg - Projects ...
Glass Fiber Reinforced Gypsum is a composite of high strength alpha gypsum reinforced with glassfibers that can be factory molded into virtually any shape or size. GFRG (or GRG) is a non-combustible material (test results of flame spread and smoke development values as per ASTM E-84) and even the largest parts only weigh 2-3 pounds per square ...