Impregnating sealer perfect for honed marble, limestone, travertine, concrete, quarry tile and terracotta. Granite sealer and concrete sealer suitable for indoors and outdoors. Provides long lasting protection. Does not yellow or discolor over time. PFOA free: non carcinogenic. Certified safe in food preparation areas. Does not alter the frost resistance of terracotta. Why should you choose FILA? Because FILA products work. Used in the most prestigious architectural projects worldwide, FILA cleaners and sealers are recommended by more than 200 stone and tile manufacturers. Trusted professionals use FILA and rely on our technical assistance for the most effective surface care solutions.