MasterSeal NP1 10.1 Oz. Polyurethane Sealant, Stone StealthFlow Can be painted or stained

Can be painted or stained

BBQ & brews go hand-in-hand

Designed with a deep wood grain texture for the appearance of wood shutters without the maintenance worries of wood

Craftsman Tools

Saves time and labor (installs in seconds)

MasterSeal NP1 10.1 Oz. Polyurethane Sealant, Stone StealthFlow Can be painted or stainedA 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,