Masterseal Np1 is a 1 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.

• Multiple external and internal applications including sealing door and window frames, roofing substrates, and cladding joints
• Bonds to metals, masonry, wood, vinyl, cement fiberboard, granite, and marble
• Low solvent content - under CARB limits
• Non-shrinking
• High movement and flexibility
• Paintable with multiple coating types
• Cures in less than 72 hours
• Skin time in less than 24 hours