CARB (California Air Resource Board), OTC (Ozone Transport Commission), and LADCO (Lake Michigan Air Directors Consortium) compliant and can be sold in all areas of the country. Low solvent, high strength. Superior quality, waterproof, trowelable grade construction adhesive. For interior installation of ceiling tile, hardboard, plywood, tileboard, gypsum wallboard, particle board, jute-backed carpeting, quarry and ceramic floor tile, vinyl cove base, polystyrene foam, and more. Use above, on, and below-grade, provided surface is dry and free of hydrostatic pressure. Recommended application method: V-notched trowel. Nonflammable. Gallon yields approximately 50 to 70 sq. ft. of coverage. 1 year shelf life. Color: Light brown. Available in quart and gallon cans.