Expert Answers in

ANSWER - What you are referring to is the Pot-Life, which refers to how long the mortar stays workable inside the bucket, and Open-Time, which refers to how long the mortar stays workable as you…

ANSWER - I am assuming that you are saying that you will be installing a porcelain tile over cementitious backer board that you will be attaching to a hardwood floor. Make sure the floor does…

ANSWER - To install tile over an epoxy coating on a concrete floor you need to use an ANSI A118.3 epoxy adhesive.  You will need to scarify the epoxy coating first and make sure there…

ANSWER - Normally to remove a cementitious haze you use acid, but not just any acid as acid used wrong can cause etching problems.  Never use muriatic acid like what is added to pools.  Sulphamic…

ANSWER - Tiles tent for several compounding reasons. Lack of Movement Joints (also known as expansion joints) - When tiles absorb moisture or gain temperature they expand.  The more porous the tile the more it…

ANSWER - Limestone isn’t so soft that it will crack easily.   The ASTM C568 standard for limestone breaks it down into low-density limestone, medium-density limestone and high-density limestone.  So limestone can be very durable. I…

ANSWER - Limestone is commonly used in shower applications.  Not all limestone are the same.  There are ASTM material standards for each geological classification of natural stone that lists what the maximum or minimum physical…

ANSWER - Slate is a very dense stone, so I would not expect it to have a deep stain.  I would not expect the stripper to cause the white staining.  I would initially assume that…

ANSWER - Normally when grout is soft and flakes it is because the grout was mixed with too much water and/or they used too much water during the the cleanup stage when grouting.  The excess…

ANSWER - It is not normally recommended to paint over existing ceramic tile. The tile installation is worth a lot more to the value of the home than the painted surface; assuming the tile installation…