It’s what’s underneath that counts. When it comes to hard surface flooring of any type, substrate preparation is critical to a successful installation. When it comes to tile, not only do we have floors to worry about but also wall installations that require preparation.
The tile industry has done a good job of placing responsibility on the owner, general contractor or project design professional. The section on substrate requirements in the 2018 Tile Council of North America (TCNA) Handbook for Ceramic, Glass, and Stone Tile Installation states: “The owner should communicate in writing to the project design professional and general contractor the intended uses of the tile installation, including in-service loads or information to allow a project design professional to calculate such.”