I have just tiled my bathroom, and have been advised to treat the porcelain tiles with Lithofin FZ Protective Impregnator, which is supposed to make them easier to keep clean in the long term.
Should I apply this to the tiles before grouting, to protect from the grout; or after; to protect the grout itself as well?
many thanks
Should I apply this to the tiles before grouting, to protect from the grout; or after; to protect the grout itself as well?
many thanks