Polyurethane Construction Sealant 525 Gray, 10.5 fl oz Cartridge, Moisture-Curing Elastic Compound for Concrete, Gap-Filling Expansion Joints, Paintable, Long-Lasting Bond and Flexible Connections

Polyurethane construction sealant 525 gray, 10.5 fl oz
✔️ Moisture-curing, permanently elastic, paintable, 90-150 min skin time

Single 10.5 fl oz cartridge of polyurethane construction sealant ideal for concrete joints, expansion joints, and general gap-filling in building and renovation projects.

✅ Single-component, moisture-curing formula for long-term elasticity
✅ Bonds well to concrete, masonry, metal and many building substrates
✅ Gap-filling performance for expansion and movement joints
✅ Paintable after skin formation; skin time about 90-150 minutes
✅ Gray color; single 10.5 fl oz cartridge; permanent flexible seal
✅ Low-shrinkage, weather-resistant seal for interior and exterior use

💡 What is a polyurethane construction sealant used for? It creates a permanently elastic, moisture-cured seal that keeps joints watertight while allowing movement and bonding to concrete and similar substrates. Handy for builders and DIYers who need a reliable joint filler and weatherproofing option. - Bonds to concrete, masonry, metal and many other substrates for strong adhesion - Ideal for expansion joints, movement joints and general gap-filling in buildings - Paintable once skin forms; typical skin time 90-150 minutes for normal conditions