Tarkett Tactile Warning are manufactured from a homogeneous composition of polyvinyl chloride (PVC), high quality additives, and colorants to meet the performance and design requirements of American National Standards Institute (ANSI) A117.1 - 1986, Accessible Warnings on Walking Surfaces to identify open stairwells, platforms, and other hazardous areas. Standard formulation exceeds ASTM E 648 Class 1 Flammability requirements. Tarkett Tactile Warning are designed for interior applications only and not recommended for commercial kitchen environments.