flex Construction Sealant - Aluminum Gray, Paintable Polyurethane, All-Purpose for Sealing Joints & Gaps, 10.1 fl. oz Cartridge - Weatherproof, Durable, Self-Leveling, Non-Corrosive

TIGHT, STRONG SEALS This polyurethane sealant delivers exceptionally secure adhesion while also offering high elasticity that helps prevent cuts and tears. WEATHERPROOF YOUR HOME Fills joints between brickwork, masonry, wood, concrete, and metal framing to block moisture infiltration. BLENDS RIGHT IN It's a self-leveling concrete caulk that you can paint, stain, or sand down so it's virtually invisible. It also won't stain surfaces, making it simple to handle. TRULY TRUSTWORTHY This product meets federal specifications and ASTM standards to ensure quality and safety; the urethane-based formula lowers radon levels.

QUICK AND SIMPLE TO USE It comes in a 10.1 fl oz cartridge that easily fits into most electric, pneumatic, or hand-powered application guns. The narrow tip ensures accurate placement without worry