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 fiber board, 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
