Expert Answers in Ceramic and Porcelain Tile

ANSWER - It depends on the application on whether waterproofing under a tile installation is necessary.  If it is in a wet application and in some exterior applications, then it is necessary to waterproof the…

ANSWER - If you rub too hard you might damage the tile. The best approach is to contact the manufacturer of the urethane grout and ask them how best to remove the urethane grout haze. …

ANSWER - The grout that you used may be a polymer modified grout similar to a grout with a latex additive.   Acids won't attack the polymer, but there are products for removing latex haze.  Try…

ANSWER - The unglazed porcelain tile should technically be impervious with an absorption of 0.5% or less.  That doesn't mean it can't stain, when it can if something is left on it long enough and…

ANSWER -  The transition joint between the top of the bathtub flange and the wall tile is not supposed to be filled with a cementitious grout.  It should be filled with a resilient ASTM C920…

ANSWER - I assume this is an exterior application of the sandstone in a flagstone irregular shape.  Sandstone is Quartz stone from a geological point of view, but it is a class 1 that is…

ANSWER - Since you have a glazed ceramic tile it should come clean unless it has worn from abrasion.  Glazed ceramic tiles don't normally fade, but some of the softer glazes might to some degree.…

ANSWER - You didn't indicate if the mosaics are ceramic mosaics or glass mosaics. Ceramic mosaics are normally produced at over 1200 degrees F.  Normally custom ceramic tiles are dried and then fired in a…

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…