MasterSeal one-component, non-priming, self-leveling elastomeric polyurethane designed for expansion joints in concrete floors and decks. Used for it's flexibility, abrasion, and puncture resistance. Cures by reacting with atmospheric moisture. Recommended for expansion joints, pavers, plaza decks, industrial floors, driveways, sidewalks, decks, parking areas and pitch pans on either concrete or metal substrate. No tooling required, installs quickly, and is long lasting. Not recommended for vertical applications, or where continuous water immersion exists. Maximum depth should not exceed 3/8" application. Meets Federal Specifications TTS-00230C, Type 1, Class A; ASTM C 920, Type S, Grade P, Class 25, use T, M and O; Corps of Engineers CRD-C-541; Canadian Specification CAN/CGSB 19.13-M87, Classification C-1-40-B-N and C-1-25-B-N, No. 81028. USDA compliant for use in areas that handle meat and poultry.