DAP Polyurethane Sealant

A one-part, moisture-curing, fast skinning commercial grade sealant. It is specially formulated to provide a permanent, waterproof seal when filling exterior gaps, joints and cracks. Offers superior adhesion to a variety of substrates and remains permanently flexible. Ideal for use on doors, windows, sidings, ducts and vents. Paintable; 50 year durability guarantee.