Expert Answers in Standards

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…

There is no standard for whether a tile should sound hollow or not, or do what degree.   A hollow sound can mean the tile, or a portion of the tile, is not bonded or…

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 - The fact that there is a squeak under the tile suggests that the wood underlayment subfloor is moving to some degree.  I doubt that it is the tile assembly itself moving independent of the…

ANSWER - It is acceptable per the industry standards to adhere tile to a wood subfloor in dry applications.   The plywood subfloor should have a plywood underlayment over it and the configuration of the floor…

ANSWER - There are a lot of variables and depending on the application, what conditions it will be subjected to, and what the condition of the slab is will depend on what is the appropriate installation…

ANSWER - I had said to use the ANSI A118.11 if you were bonding to wood, although it also works to bond to concrete or backer boards. If you are bonding to Hardiebacker board, I think…

ANSWER - First of all, green board is not an acceptable substrate in a wet area per the tile and stone industry standards, and per the Gypsum GA-216.   Green board is water resistant but will…

ANSWER - Per the Tile Council of America Handbook for the installation of tile detail F144-15 it recommends a minimum 19/32” exterior-glue tongue and grove plywood with 1/8” gap between sheets as base over 16” oc…