Few things come in as much variety as tiles. They range from nonvitreous, which absorb water and are used only on walls, to vitreous, which are impervious to water and can be used in shower stalls. Beyond that, tiles come in three distinct types. Learn these, and you’ll impress any tile setter you even happen [...]

The best way to preserve floors is to clean and maintain them so that they don’t get ruined in the first place.  You don’t have to go wild with cleaners and oils;  simply get rid of the grit.