Expert Answers in Moisture Problems

ANSWER - Using an uncoupling membrane will not make the tile installation waterproof, unless you use a special type that can be installed in a waterproof method, and it doesn't really add any value if…

ANSWER - When tile debonds and buckles up we do refer to that as tile tenting.  The cause of tile tenting is normally due to several compounding conditions.  First is that normally the tile installation…

ANSWER - It is not clear what kind of sealer you used.  Normally sealers are not mixed into the grout when you install the grout, so that may be part of the problem? Grout turning…

ANSWER - When the interior atmosphere is humid and warm, and the outdoor temperature is very cold, then the tile surface is relatively cold, and in effect it becomes the warm side of a vapor…

ANSWER - If in fact you have ground water migrating up through your concrete slab and up through the porous tile grout joints, installing French drains around the perimeter of your house could divert the…

ANSWER - I assume you had a water leak of some sort that resulted in your concrete slab having a high level of moisture.  If that is the case, then you should let the slab…

ANSWER - If water from your shower is leaking into a crawl space the problem is not the cementitious grout joints.  There has to be an underlying problem with the shower pan's waterproof membrane.  It…

ANSWER - Your engineer was basically saying that you have a high water table, meaning that the underground water is very close to the surface of the ground. The french drains only work if the…

Xypex is suppose to waterproof the concrete.  So in theory it should prevent moisture migration in the concrete wall to help reduce the possibility of efflorescence.  You can still get efflorescence from the mortar or…

ANSWER - I am assuming that when you say stone tiles, you mean natural stone cut into tile shapes.  When you say the tile bends, I am assuming you mean that it warps. Some types…