12 Pack, Gray, Zinsser WaterTite Polyurethane Sealant for Concrete and Masonry-5091DSV, 10.1 oz Cartridge: Effectively fills deep cracks and holes and seals moving joints including expansion and control joints, precise concrete panel joints, tilt-up panel joints, curtain wall joints and perimeter caulking to windows, doors and panels. Ideal for concrete block, cast-in-place concrete, stucco, exposed aggregate, basement and cellar walls, windows, doors, canals, retaining walls and much more. Seals, waterproofs and provides long-term adhesion.
- Single component polyurethane sealant and joint filler remains flexible over time
- Fills deep cracks and holes on a variety of concrete and masonry surfaces
- Durable, long-term adhesion that does not diminish over time
- Tack free in 72 hours maximum
- Apply to cracks 0.5” wide or less. Cracks over 0.25” in depth must be filled with backing material or filler before applying Polyurethane Sealant.