Expert Answers in Ceramic and Porcelain Tile

ANSWER - I assume you are saying that you seal your tile with a sealer and that your dog's urine is causing the sealer to be removed. Sealers are meant to minimize the chances of…

ANSWER - From your photo the bottom edge of the wall tile where it is adjacent to the transition joint from the wall to the floor has efflorescence staining.  That suggests water is traveling from…

ANSWER  - W244E can be a ceramic or glass tile or a stone application for an exterior framed wall with cement backer board over it.   If it is a cementitious backer board then they would put…

ANSWER - Unsanded cementitious grout should only be used in grout joint widths of 1/8 inch or smaller.  If you use it in wider grout joints it will tend to crack. Sanded grout should be…

ANSWER - Hollow sounding tiles is not a defect per se.  Depending on the substrate and installation materials and methods being used the tile can have a hollow sound without anything being wrong. On the…

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ANSWER - The Natural Stone Institute (previously the Marble Institute of America) Dimensional Design manual state that the grout joint on a stone should never be less than 1/16"  wide and preferably 1/8" wide.  To…

ANSWER - Chances are the hot metal melted the glazed tile surface.  If the tile body is porcelain then by definition it should be impervious and should not compromise the tiles' ability to resist moisture.

Answer - The ASTM F1869 Calcium Chloride membrane was the dominate test for years and depending on the tile installation manufacturer they would request a value of anywhere from 3% to 12% per 1,000 sf…

ANSWER - What is called Shade Variation is normal in the tile industry, but what is considered reasonable variation depends... In the industry we have what is called in ANSI A137.1 Aesthetic Classes, which is…