HG 13 Impregnating Protector 1L a special, basic treatment for (new) unglazed tiles or flagstones which prevents the absorption effect. Prevents the penetration of dirt & grease stains without affecting the original character of the tile or sealing the floor off. Suitable for all types of porous & lightly porous tiles & flagstones. Can be used both indoors & out. HG tile impregnating protector (HG product 13) is a special, basic treatment for (new) unglazed tiles or flagstones. This unique product prevents the absorption effect & thus prevents the penetration of dirt & grease stains without affecting the original character of the tile or sealing the floor off. This product is suitable for all types of porous & lightly porous tiles & flagstones, & can be used both indoors & out. Apply the liquid evenly in one direction, using a paint roller. Now leave to work for 10 minutes & then remove any leftover product using a dry, lint free cloth. Depending on the type of material, 1 litre of this product is sufficient for up to 40 m 2 floor area.