Dilute with 9 parts water prior to application. The ultimate indoor and outdoor floor protection. Rain guards Floor Lok Sealer Floor Sealer with Micro-Lok technology cures, seals, hardens and dustproofs new and aged concrete in one easy-to-apply product. Protects against surface damage caused by water intrusion and seepage. Resistant to oil, gas and brake fluid. Meets ASTM C-309 as curing agent and does not need 28 day wait time for new concrete to cure. Can apply FLOOR-LOK in cold weather down to 40°F (4. 4°C). Low carbon footprint ? low V. O. C. , water based, non-toxic, no cancer causing formula. No offensive odors for office staff during interior applications. Floor-Lok also protects surfaces from damage caused by water intrusion and seepage, chloride ion intrusion, cracking caused by freeze-thaw cycles, spalling and scaling, and helps prevent efflorescence and lime run. Floor-Lok also complies with most federal agencies and is USDA compliant. Micro-Lok technology creates a micro-molecular chemical and mechanical bond between the water-repellent chemicals and the concrete. Floor-Lok penetrates deep into the surfaces to provide long-lasting and virtually indestructible water repellent protection that is not affected by weather or sunlight.