Premium Polyurethane Sealant 10.1 oz. (White)

Bring professional-grade performance to your sealing and gap-filling projects with this high-performance, 10.1 oz. white polyurethane sealant. Formulated for both indoor and outdoor use, it cures by absorbing moisture and forms a tough, waterproof barrier that remains permanently flexible. Ideal for doors, windows, siding, vents, expansion joints and more, it offers superior adhesion to common building materials and delivers long-lasting protection against weather, movement and temperature extremes.

Whether you’re a professional contractor or a dedicated DIYer, this one-part sealant simplifies application—no primers or mixing required—and delivers reliable results you can paint or stain to match your finish. Backed by a 50-year durability guarantee and engineered to meet stringent industry standards, it’s the go-to choice for sealing cracks, joints and gaps where performance matters most.

Key Features

• One-part, moisture-curing polyurethane formula
• Fast skin formation for quick handling
• Provides a permanent, waterproof seal
• Remains permanently flexible—won’t crack or shrink
• Paintable and stainable for seamless finishing
• Superior adhesion to glass, wood, metal, masonry, plastics and more
• 50-year durability guarantee
• Meets or exceeds Federal Spec. TT-S-00230C (Type II, Class A) and ASTM C 920 (Type S, Grade NS, Class 25)

⚠️ WARNING: This product can expose you to Silica, crystalline known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.