There are acceptable methods for installing ceramic tile over wood substrates in interior dry applications. It is always considered better to install over a mortar bed or over one of the approved tile backer boards.

First of all not all hollow sounds are voids. Having hollow sounds is not a deficiency and there are no standards addressing hollow sounds, other to say that hollow sounds don’t necessary mean it is a problem.

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Spot bonding tile is not a legitimate method for installing ceramic tile, including porcelain tile, which is a type of ceramic tile, or stone tile, unless an epoxy adhesive is used in an interior vertical dry application.

Tile Installation Guidelines and Instructions for Installing Ceramic Tile, Glass Tile, and Stone Tile for Residential Installations. Hiring the right installer is the difference between a delightful result and a nightmare.

The leaking of deck causing damages in the ceiling below is the symptom of the cause of the problem. Treating the symptom will not remediate the cause of the problem.

Expansion joints, which is a type of movement joint, may or may be required in a tile installation. But always there should be some type of a movement joint installed in all tile applications per industry standards.

Allowable tile lippage for ceramic tile, including porcelain tile, which is a type of ceramic tile, is based on the grout joint width and the amount of allowable warpage that the tile itself exhibits.

Full adhesive contact is defined as continuous contact between the back of the tile and its substrate. Spot bonding tiles is not acceptable unless an epoxy is being used for interior wall applications only. Spot bonding is where only dabs of thin-set are applied in the four corners and in the center of the tile.

Grout joints within a tile installation are always going to vary to some degree as the installer makes adjustments for the sizing variation of the tile. Rectified tiles will be more consistent in sizing.