The surfaces to be treated must be dry, clean and free of stains. Apply the porcelain stoneware impregnation evenly with a roller, brush or cloth. Do not allow drips or puddles to form and work in sections to prevent the material from drying out. After about 15 minutes, wipe off any excess with a lint-free, dry cloth. Ensure good ventilation in the interior. After about 1-2 days the product takes full effect. During this time, do not wet wipe the tiles. protect from rain. Do not process in direct sunlight. Process between +10°C and 25°C. Always use the product undiluted. Weakly absorbent surfaces such as porcelain stoneware should only be treated using a brush or roller. Protect surrounding surfaces such as glass, plastics and solvent-sensitive surfaces from splashes. The newly treated ar.