Expert Answers in Waterproofing

ANSWER - First of all, green board is not an acceptable substrate in a wet area per the tile and stone industry standards, and per the Gypsum GA-216.   Green board is water resistant but will…

ANSWER - If the ceramic tile is already installed there is no way to fully waterproof the floor after the fact, unless you replace the tile and install a legitimate waterproof membrane during the replacement…

ANSWER - First of all they only way to truly waterproof a tile installation is to use waterproof membrane. I think your question is whether or not there are grouts and adhesives suitable for being submerged…

ANSWER - A glazed porcelain ceramic tile if installed correctly would be very resistant to water. If there is hydrostatic water pressure, meaning water from the ground is pushing up through the basement concrete slab…

ANSWER - Definitely do not install green board in a shower or wet area. Although it is technically moisture resistant, it is not recommended for showers per the building code and industry standards, because when…

ANSWER - Ceramic tile can be adhered directly to certain types of waterproof membranes, which are designed for ceramic tile or stone. A roof that has a concrete substrate, over interior occupied space, can have…

ANSWER - The allowable vapor emission rate depends on what installation and tile products you are using. Generally speaking the standard for the floor covering industry and what most installation product manufacturers publish is 3…