Sonneborn NP 1 Polyurethane Sealant is a one-component high-performance gun-grade moisture-curing polyurethane sealant designed for a wide range of sealing and caulking applications in active exterior joints. With 800% elongation, 350 psi tensile and +/- 25% joint movement capability, NP-1 handles most every exterior application. NP-1? requires no mixing and typically bonds to many materials without a primer, including concrete and masonry. NP1 dries with a smooth finish and is paintabl... More Info
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Sonneborn NP 1 Polyurethane Sealant is a one-component high-performance gun-grade moisture-curing polyurethane sealant designed for a wide range of sealing and caulking applications in active exterior joints.
With 800% elongation, 350 psi tensile and +/- 25% joint movement capability, NP-1 handles most every exterior application.
NP-1? requires no mixing and typically bonds to many materials without a primer, including concrete and masonry.
NP1 dries with a smooth finish and is paintabl