Expert Answers in

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 – Generally speaking you would need to first cut out the grout joints with a diamond blade saw and then re-grout the joints after they joints are fully open and clean.

If you don’t…

ANSWER – There is no such industry standard that grades granite with numbers like that.  Marble has a class A, B, C, D and that has nothing to do with granite.

Without checking, Coast Green…

ANSWER – I’m not sure what type of product Mapei Isolatic is. Since it is being added to Kerabond it must be a latex additive.

The ring shape spots of moisture suggest to me that…

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 – It is always best to attach ceramic tile or stone tile to a concrete substrate that is very structurally sound and with little deflection.

It is possible and legitimate to bond tile to…

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 – The ANSI and MIA standards do say grout joints should never be less than 1/16″ wide, and depending on the type and size of tile they should be wider. It is recommended to always…

ANSWER – Tile should never be installed over a composite board because they are water sensitive and relatively unstable. There are some applications where you can install over exterior grade plywood for interior applications, but…

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…