Expert Answers in installation

ANSWER - As long as the existing marble floor is structurally sound and well bonded to its substrate without excessive deflection, you can bond over the marble. The marble surface is likely polished or honed…

ANSWER - If the subfloor and tile was replaced as specified, then the new tile floor should not have been any higher.   The tile installer should have known that the floor would be higher…

ANSWER - The joint between two adjacent tiles is referred to as the grout joint, which is what I think you are referring to.  I am also assuming that when you say zero joint you…

ANSWER - There are no mandatory requirements to install glass tile over an ANSI A118.12 crack isolation membrane, unless the substrate to which the tile will be adhered to has non-structural cracks.  Tile cannot be…

ANSWER - According to the Marble Institute of America (MIA), on smooth surface stones, lippage should be limited to +/- 1/32".   Further more they state that allowable lippage is an installation tolerance, and is…

ANSWER - Excessive efflorescence staining (generally a whitish substance) on stone, tiles,  grout, or adjacent surfaces is a generally a symptom of an excessive…

ANSWER -  First of all, tile applications installed on shower walls should not bow or crack.   What you describe sounds like it is a shrinkage problem in the floated wall mortar bed.  You didn't…

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 - 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…