Polyurethane Premium Construction Adhesive Sealant In Black 10.1 Oz Heavy Duty Sealant For Interior And Exterior Use On Windows Doors Siding Tuckpointing Pipes Vents Chimneys And More

Premium Black Polyurethane Construction Sealant for Exterior
✔️ 10.1 oz cartridge; interior/exterior use; paintable

Premium Polyurethane Construction Adhesive Sealant is a heavy-duty elastomeric one-part sealant designed to seal gaps and joints around windows, doors, siding, pipes, vents, and chimneys in both interior and exterior projects.

✅ 100% waterproof black sealant with weatherproof performance
✅ Strong adhesion to wood, aluminum, vinyl, PVC trimboard, brick, concrete
✅ Flexible enough to handle up to 70% total joint movement
✅ Paintable after 7 days; fully cures in 7 days; meets ASTM C920 Type S NS Class 35

💡 What is polyurethane construction adhesive sealant used for in home improvement projects? This handy sealant provides a durable, waterproof seal across many materials.

- Seals gaps around windows, doors, siding, pipes, vents, and chimneys - Bonds to wood, metal, vinyl, brick, concrete, and fiber cement - Remains flexible to absorb joint movement without cracking - Paintable after curing for a clean finish