EXPIRED SELL BY DATE HENCE CLEARANCE.....Liquid polymeric additive for enhancing the performance of KERACOLOR FF & KERACOLOR GG. Used as a substitute for water to mix KERACOLOR FF or KERACOLOR GG to improve the grout compactness, flexibility, abrasion resistance and reduce porosity and water absorption. Especially suitable for grouting floors subject to heavy traffic, swimming pools, terraces, balconies and façades.COVERAGE: depends on the size of the tiles and joints.