The Impregnating Sealer is designed for use on polished porcelain, marble, limestone, slate, and granite. This colourless, easy-to-apply sealer is suitable for polished floors, walls, worktops, and fireplaces without altering the polished finish of the surface. It can be used both indoors and outdoors. For maintenance, use LTP Porcelain Cleaner or Wax wash for stone floors, and LTP Stonewash for walls and worktops.