The 500ml Lithofin KF protective impregnator is used to protect absorbent, grout and stain-sensitive ceramic surfaces. Designed to prevent against oils, water, grease with the added benefit of making maintenance easier. Use when the surface is completely dry and clean in sections of approx. 10 to 15m². Always test the product in an inconspicuous area prior to use. Also available in an alternative size of 1Litre.