MasterSeal NP1 10.1 Oz. Polyurethane Sealant, Grey Parsons For use with the Ondura

For use with the Ondura Corrugated Asphalt Roofing System

A perfect fit for active lifestyles

Clear acrylic handles

Airborne dirt and debris can affect the seal tab's ability to properly seal to the shingle

MasterSeal NP1 10.1 Oz. Polyurethane Sealant, Grey Parsons For use with the OnduraA 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,