Masterseal Np1 is a 1 component, high performance, non-priming, gun grade, elastomeric polyurethane sealant, it requires no mixing and typically requires no priming to bond to many materials, including concrete and masonry.
A one-component, high performance, non-priming, gun-grade, elastomeric polyurethane sealant
Weather resistant for long-lasting tight seals
Compatible with non-rigid coatings, can be painted, superior holding power for roof tile