Expert Answers in Ceramic and Porcelain Tile

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…

ANSWER - If the tiles are 12x12 inch in size, it probably is the Franciscan Terra Floor Waves series.  They had many different colors.  It was an extruded glazed tile that was very durable and…

ANSWER - Grout joints in a 12x24 inch tile should be at least 1/8" wide otherwise the grout can't fill the joint as it should.  If the grout joint is 1/16" or less then chances…

ANSWER - If the tile was installed correctly the residual water/moisture should not harm the tile.  Tile is often installed in showers, fountains, and pools and the moisture should not harm them as long as…

ANSWER -  If the tile was installed correctly and had adequate movement joints installed, the water flooding should not have caused the tile to debond.  Unless the water leak in the slab created a hydrostatic…

ANSWER - The closed-cell foam backer rod is suppose to be wider than the movement joint.  You can compress a 1/4" foam backer rod into a 1/8" wide movement joint. The backer rod serves two…

ANSWER -  In terms of manufacturing of ceramic tiles, which includes porcelain tiles that are a type of ceramic tile, there are quality control standards in ANSI A137.1  that allow a small percentage of tiles…

ANSWER - TCNA Handbook does say that movement joints within the tile assembly should be at least ¼” wide, but the current version of the handbook does indicate that if your movement joints are installed…