Designed for a wide range of construction applications including wet, frozen, and treated lumber. Also ideal for metal, brick, concrete, ceramics, and most large panel-type substrates. Fills gaps and irregularities between materials and provides a more solid backup surface. Reduces the amount of nailing and helps eliminate squeaky floors. Offers excellent water-resistance and remains permanently flexible. Exceeds the APA's AFG-01 specification. Can not be used on foamboard. Extremely flammable. Clean up with mineral spirits or equivalent solvents. Color: Light tan.