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.
It requires no mixing and bonds to common building materials, including concrete and clay roof tiles, metal flashings and masonry
Coverage a 1/2" round bead will yield approximately 7.7 linear feet (2.35 m) per cartridge
Bonds to metals, masonry, wood, vinyl, cement fiber board, granite and marble