MasterSeal NP1 is a one-component, high-performance polyurethane sealant that requires no mixing or priming. This gun-grade, elastomeric sealant bonds to concrete, masonry, wood, aluminum, and many other substrates for weather-resistant, long-lasting seals.

• One-component, moisture-curing polyurethane formula
• No mixing or priming required
• Tan color - paintable and compatible with non-rigid coatings
• Weather resistant for long-lasting tight seals
• Superior holding power for roof tile installations
• Suitable for interior and exterior use, above and below grade
• Wide temperature application range for all climates
• Meets VOC requirements in all 50 states

Applications: Expansion joints, panel walls, window frames, roofing, fascia, parapets, vinyl siding, and storefront assemblies.

FOR CALIFORNIA SHOPPERS

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• ⚠  Warning: This Product Contains One Or More Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm