Expert Answers in Grout

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 - 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 - 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 - Looking at the photo you attached, my best guess is that someone used a time capsule fertilizer containing ferrous sulfate near the pool and broadcasted it into the pool. I say that because the…

ANSWER - Per ANSI A108.10 Installation of grout in Tilework, it says that all grout joints shall be uniformly finished. Cushion edge tile shall be finished evenly to the depth of the cushion. The grout…

ANSWER - Grout can crack for a varied of reasons, and it might be because of a combination of different deficiencies. First of all, not manufacturer of grout would recommend mixing non-sanded grout with sanded…

Answer - If you have subway tiles, I assume you are talking about tiles on the walls of the shower.  Although perhaps you did install the subway tiles on the shower floor. Most subway tiles…

ANSWER - You have to be careful on what cleaning products you use on tile, stone or grout.  Some of the grocery store brands may not be reliable for the type of cleaning you want…

ANSWER -  The TEC 550 Power Grout says it is a unique cementitious formula, and that its unique formulation is stain proof* and provides strong, color consistent joints free of efflorescence that is resistant to…