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Do you seal porcelain tile?
Yes you do seal porcelain tile unless it is pre-sealed. The reason for this is because most stone is porous and will absorb any liquids or humidity. This could result in mold and mildew growth. Consult the manufacturer on maintainance and care.
Is porcelain or ceramic tile more durable?
porcelain
Can you install porcelain tile over wood floors?
Not directly. Wood moves with changes in temperature and humidity, which would cause tile to come unstuck rather fast. You'd need to put in a layer of inert material first, like sheetrock, fibreboard, mdf or similar.
Is it good to seal tile and grout?
Yes.... But if the tile is glazed and/or the grout is epoxy (unlikely unless in a commercial building) these do NOT need to be sealed (neither will absorb water so they won't accept the sealer). The rule of thumb is to put a few drops of water on the tile and the grout, if it soaks in within 30 seconds it needs to be sealed. Never use a topical sealer. Always use a waterbased PENETRATING sealer. You will need to reapply bi-yearly or yearly in most situations, more if the tile is exposed to water. Hope this helps..........
Is tile a non porous surface?
It depends on what the tile is made of. Some stone tiles need to be treated and sealed to be non porous. Ceramic or porcelain tiles will be non porous. You can find out these things when you select a tile and ask how to care for it. Also, as a rule of thumb most tiles that are used for household purposes (esp. showers, bathrooms, kitchens, etc) will be treated to make them nonporous even if the material they're made of themselves are porous
