Expert Answers in

ANSWER –  If most or all of the grout joints are low, it is possible to fill them, but it may not be practical.  Epoxy grouts can be applied very thin, but the existing grout has…

ANSWERS – it is not acceptable to spot bond tiles on floors.  For residential dry area applications, tiles are suppose to have at least 80% thin-set contact with full support at all edges and corners.…

ANSWER –  If only the grout is cracking, and not the tile, then normally grout cracks due to excessive movement in the tile assembly for one reason or another.

There are many different types of tile assemblies,…

ANSWER – First you need to make sure you are using a non-sanded grout, which is necessary for grout joint widths less than 1/8″ wide or the grout won’t fit in.  Sanded grout could scratch…

ANSWER – Many granite slabs are treated with resin color enhancers to make the granite slab look better.

If the granite slab’s polished surface was adjusted then the fabricator should have repaired it so it…

ANSWER – I believe what you are describing is a condition called Tile Tenting.

Ceramic tiles, particularly those that are more absorptive, will expand when subjected to heat or moisture.  If the tile installation doesn’t…

ANSWER – Peel & Stick Crack Isolation membranes can cause the tiles to sound different than if they were installed directly over a concrete slab.

Although all of the tiles installed over the same substrate…

ANSWER – It is possible to grout over existing grout if there is enough depth to do so.

1/8 inch depth may or may not be adequate depending on the type of grout used.

A…

ANSWER – Sanded cementitious grout has sand in it.  There is a chance that grout was not as hard as it should be and when it was cleaned it caused the grout to degrade to…

ANSWER – It may be possible to adhere ceramic tile to masonite, but it is not recommended.  The masonite is not structurally sound and it would be susceptible to damage from heat.

You should first…