MasterSeal NP1 10.1 Oz. Polyurethane Sealant, Stone large Pre-seasoned with food-safe vegetable oil

Pre-seasoned with food-safe vegetable oil

Includes insulating grommets

Meets ASTM (American Society for Testing and Materials) designation: D4397-91 and all associated specifications

then snap on the cover later

MasterSeal NP1 10.1 Oz. Polyurethane Sealant, Stone large Pre-seasoned with food-safe vegetable oilA 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,