Sentinel 24-7 ZERO High-Build is a thick interior grade coating that contains no Volatile Organic Compounds (VOCs), is free of Hazardous Air Pollutants (HAPs), and offers virtually no odor. Designed for porous surfaces and other environments where a single, thick coat is preferred. Sentinel 24-7 ZERO High-Build offers exceptional bonding to a variety of substrates. Sentinel 24-7 ZERO High-Build with antimicrobial product protection is designed to inhibit the growth of stain and odor causing mold, mildew and other microorganisms on cured coating surfaces.