HG Hagesan Marble and Natural Stone Impregnator - 1 litre-HGP32 PLEASE NOTE: This product has been re-formulated by the manufacturer as HG Natural Stone Impregnating Protector HGP32. This sealer is now water-based rather than solvent based. This means that the product will be easier to apply and will not have the unpleasant odours associated with solvent based formulas. The product performs better than the previous formulation, is better for the environment and can be applied more easily. Description: HG Natural Stone Impregnating Protector is used to impregnate porous marble, travertine, terrazzo, granito, slate, sandstone, limestone and other natural stone floors and walls to protect against stains and stubborn marks. Extremely suitable for concrete tiles with pieces .