flex Construction Sealant - White, All-Purpose Polyurethane for Joints 1/2" or Smaller - 10.1 fl. oz - Weatherproof, High Elasticity, Paintable, Strong Adhesion, (Pack of 2)

This polyurethane sealant delivers a firm, strong seal with exceptionally dependable adhesion, while also offering high flexibility that helps resist cuts and tears. WEATHERPROOF YOUR HOME WITH CONFIDENCE It fills gaps between brickwork, masonry, wood, concrete, and metal framing to block moisture from entering. BLENDS RIGHT IN This self-leveling concrete caulk can be painted, stained, or sanded down so it becomes nearly invisible. It also resists staining on 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 helps lower radon levels.

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