DCP Donseal PU440 Polyurethane Concrete Sealant 1 Pack– Non-Sag Concrete Caulk for Joints, Walls, Sidewalk, and Foundation, 10.1 fl. oz. Cartridge

BROAD TEMPERATURE RESILIENCE: Donseal PU440 Polyurethane Caulk operates effectively across a temperature range of -22°F to 175°F, suitable for concrete expansion joints. Its moisture-cure process forms an elastic material, ideal for sidewalk applications.
MULTIPLE SURFACE COMPATIBILITY: Formulated for a wide array of substrates, Donseal PU440 can seal concrete, wood, gypsum, aluminum, steel, and ceramic surfaces. This makes it a versatile choice for DIY home projects, foundation and sidewalk tasks, offering reliable sealing across diverse materials.
VERSATILE USE: Donseal PU440 is suitable for use in dry, wet, and water-filled concrete holes. The anchoring epoxy offers a robust bond not only to concrete, but also to solid and hollow masonry, hard natural stone, as well as solid and porous rock.
ADDITIONAL FEATURES: Donseal PU440 is designed for superior durability in construction settings. Once cured, it accepts both latex and water-based paints. Ensures dependable, long-lasting performance under tough conditions.
EASY TO USE: Packaged in a 10.1 fl. oz. cartridge for use with a standard caulk gun, allowing for smooth and consistent application. For enhanced efficiency and precision, consider using our new polyurethane gun, specially designed for optimal use with PU440. No pre-mixing required.

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