One-component formula requires no mixing, helping to reduce labor costs
Joint movement capability ±35% provides excellent flexibility for keeping moving joints weathertight
Easy to gun and tool, speeding up application and making neater joints
Superior holding power for long-lasting roof tile installation
Compatible with non-rigid coatings and can be painted
MasterSeal NP 1 is a one-component, high performance, non-priming, gun-grade, elastomeric polyurethane sealant. It requires no mixing and typically requires no priming to bond to many materials, including concrete and masonry. Recommended uses: Interior and exterior Above and below grade Immersed in water Expansion joints Panel walls Precast units Aluminum and wood window frames Roofing Fascia Parapets Vinyl siding Store front assemblies