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Sonneborn NP1 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. Sonneborn NP1 Polyurethane Sealant requires no mixing and typically bonds to many materials without a primer, including concrete and masonry.
Sonolastic NP1 is recommended for active, vertical interior, exterior joints, including expansion wall joints, curtain walls, panel walls, precast walls, window frames, structural components, dams, spillways and stormwater drains. Substrates include concrete, masonry, aluminium and wood. NP1 Caulking Colors Stocked Include: Aluminum Gray, Black, Special Bronze, Limestone, Redwood, Cedar Tan, and White
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