Expert Answers in Standards

ANSWER – There is no simple answer to your question without thoroughly investigating your situation, but I will make some general comments to help you to decide how to proceed.

There is an ASTM F-1869…

ANSWER – The TCNA (Tile Council of North America) publishes an Installation guide that can apply to marble tile.  MIA (Marble Institute of America) publishes a manual and discusses wet areas briefly.  For their information…

ANSWER – Talavera tiles are typically glazed tile on a porous red body that is irregular in size with excessive warpage that doesn’t meet ANSI A137.1 standards. The products physical properties will vary depending on…

ANSWER – Generally speaking granite is very dense and low absorbing, and does not darken from moisture.  There are some cases when some granites can be more absorbing and will darken when…

ANSWER – It is very difficult to differentiate granite let alone any other stone. People in the trade through experience may be able to notice key characteristics by looking, but even then it is…

ANSWER – No, there should be no issues with a counter top type of installation if installed correctly and per industry standards, such as:

a. This design or assembly can be found in the Tile…

ANSWER – AccuColor sanded siliconized acrylic latex caulk does not meet industry standard ASTM C920, per TCNA EJ171 Movement Joints, and should not be used in tile or stone installations. It is commonly used in…

ANSWER – The polyethylene backer rod is not likely the cause of your cracking at the tub to shower wall transition, but if there is room for it in that joint, then you should use…

ANSWER – Countertops are to be flat within 1/8″ in 10 feet.

Transition joints from counter to wall or other material is to be 1/8″ with a tolerance of +/- 1/64″.

Joint seams widths are…

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…