Description
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. 10.1 Oz. Polyurethane Sealant, Stone A versatile moisture-curing high-performance polyurethane sealant with permanent elasticity (Formerly: Sonolastic NP 1). or use on active, vertical and horizontal interior, exterior joints including expansion wall joints, floor and pavement joints, curtain walls, panel walls, precast walls, window frames, structural components, dams, spillways, and storm water drains. Substrates include concrete, masonry, aluminum, and wood. Pack of 1