Each gallon of curing compound covers roughly 200 square feet on exterior surfaces such as parking lots, airports, highways, and more. Wax-based water emulsion with heat-repelling white pigments. Optimizes water retention and compressive strength far greater compared to no curing compound. Restrict foot traffic for four hours after application. Complies with ASTM C 309, Type 2, Class A, and AASHTO M 148, Type 2, Class A. FAA Spec. Item P-610-2.11 (e). Complies with all current federal, state, and local maximum allowable VOC requirements, including U.S. EPA, LADCO, SCAQMD, and OTC. Shop curing compound in more sizes at 95TSS.