ANSWER – I assume you must have an unglazed (throughbody) ceramic tile. It is not clear how absorbing the tile body is, but you must consider the tiles’ absorption when you select a sealer.
ANSWER – The description of your kitchen counter leads me to belief that they installed the tile directly to a wood top without a waterproof membrane on top of it. That is not a good…
ANSWER – Your Terra Cotta tiles can be improved with a thorough cleaning and sealing. It won’t repair the pitting, but pitting just adds to the antique look. Some stains can be removed and some…
ANSWER – Putting polyurethane coatings over tile is not something that is normally done or recommended. It might work, but I’m not sure how it would last or if it is healthy to prepare food…
ANSWER – There are rectangular ceramic, glass and stone tiles that are available. Check with Walker Zanger. Ann Sacks has glass tiles in various lengths and widths. Or you can cut the tiles out of…
ANSWER – If the Saltillo pavers are unsealed and porous you can stain them. You can stain them another color or use an enhancer to just darken the natural color. Some of these products also…
ANSWER – First of all you should not be installing the clay tiles to plywood if it is going to be used outdoors. Plywood is moisture sensitive and will expand and contract leading to warpage…