Appearance graded and partially air-dried
They are resistant to atmospheric corrosion
They are used on extension spring-operated garage door systems
Ideal for embedding paper tape and for filling
It is designed not to mar your inside frame
MasterSeal NP1 10.1 Oz. Polyurethane Sealant, Limestone genesis 400 Appearance graded and partially air-driedA versatile moisture curing high performance polyurethane sealant with permanent elasticity (Formerly: Sonolastic NP 1). For 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. Bonds to concrete,