24-7 Premium with antimicrobial product protection is aninterior/exterior grade coating. 24-7 utilizes the highest quality polymers toprovide superior bonding and durability. It provides excellent coverage anddries to a hard, long lasting finish. Antimicrobial product protection gives24-7 the highest level of protection to inhibit the growth of stain and odorcausing microorganisms, such as mold and mildew on cured coating surfaces.