Fiberglass reinforced panels adhesive"pro series frp-555 in white - size 1 Gal pail High quality, solvent free adhesive for installing fiberglass reinforced panels on common surfaces. Provides and excellent bond to drywall, wood, concrete and plastic foams. Fast grab, strong, flexible bond. Low odor; water-resistant. Water clean up. Covers 50 - 60 sq. ft. per gallon.