Dap Dynaflex Ultra 10.1 Oz. Light Gray Advanced Exterior Sealant for Window, Door & Siding

Powered by innovative Weather Max Technology for long-lasting, All Weather Protection. This premium latex formulation provides exceptional UV, mold, mildew and algae resistance, as well as a durable, 100% waterproof seal that stands up to the elements. It stays permanently flexible to endure expansion and contraction caused by sun, heat, cold, wind and rain. Ideal for sealing for installation, weatherization and painting applications on windows, doors, siding, trim, fascia, flashing, and pipes and vents. Adheres to vinyl, aluminum, metal, glass, wood, cedar, concrete and masonry and more.