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Prova drain is a full drain component for showers with Patent PROVA Bond
For use with the Ondura Corrugated Asphalt Roofing System
Plastic head key needs to be cut and can be duplicated using standard key cutting machine
Paintable with 100% acrylic latex paint
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 Prova drain is a fullA 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,