Premium quality, high strength, trowelable adhesive with 0 second instant grab. Reduces the need for nails and screws when bonding. Low odor and soap and water clean-up makes it environmentally friendly and easy to use. GREENGUARD Indoor Air Quality Certified and GREENGUARD Certified for Children and Schools. Applies white and dries clear. Full cure in 1 to 7 days. Can be painted. For use on wood, drywall, plaster, brick, concrete, foamboard, and cork. Not recommended for bonding FRP panels to metal, ceramic tile, plastic, or other non-porous substrates. Recommended trowel: 3/16 In. x 1/4 In. notches, V-shaped, flat top, spaced 1/2 In. apart. Coverage Area: 50 To 60 Sq. Ft.