Silicone Ultra Window, Door & Siding Sealant - 100% Silicone Sealant

DAP® Silicone Ultra is a premium performance 100% silicone sealant that provides maximum flexibility and adhesion to withstand extreme expansion and contraction caused by temperature and weather fluctuations. DAP® Silicone Ultra has twice the joint movement capability of many other sealants so it won’t crack or shrink, providing a durable, permanent 100% waterproof and weatherproof seal. It is water resistant in 30 minutes. Cured sealant is mould and mildew resistant. Ideal for a wide variety of interior and exterior applications such as sealing around windows, doors, siding and trim. Backed by a Lifetime Guarantee. Meets ASTM C920, Class 50 uses G, A & O.