If the grout is so ingrained with dirt and has gone beyond cleaning, consider Grout Colorant – see below. Q: I have porcelain tiles – can they be sealed?
This is not quite so straightforward. In short, it depends on the porcelain. Porcelain tiles have evolved much over the last few years with the result that there are now many different standards available, although generally speaking, the first generation porcelain tiles were so dense that they did not require sealing it is no longer the case that all porcelain tiles are impervious. First conduct a water test – if your porcelain tile absorbs water then it may benefit from being sealed. For detailed information visit out How To section. Product recommendations: Sealer’s Choice 15 Gold, Penetrating Sealer.