Specially formulated for G-Floor Flooring for permanent installation on wood substrates, G-Floor Marine and Outdoor Adhesive provides a strong bond in just one hour. This water-based formula is designed for indoor/outdoor use. If you prefer to permanently bond your G-Floor felt-backed polyvinyl flooring to a plywood substrate, G-Floor Marine and Outdoor Adhesive is the only choice to ensure your floor looks its best after installation. This specially formulated adhesive is a high-strength, water-based, UV-stable bond that can be used indoors or outdoors for a variety of applications â decks, trailers, mobile units, kitchens, offices, and more. It can also be used to permanently install carpet squares. G-Floor Marine and Outdoor Adhesive bonds permanently in approximately one hour. Four gallons of adhesive will cover 160-200 square feet. IMPORTANT: Use only for installation of felt-backed material on wood subfloors. Do not use on non-felt-backed materials. Do not freeze adhesive. Please note: This adhesive is non-returnable. Provides a strong bond in just one hour Water-based formula designed for indoor/outdoor use 4 gallons of adhesive will cover 160-200 sq. ft. | G-Floor Marine and Outdoor Adhesive, 4 Gallons