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Installation questions regarding ceramic tile, porcelain tile, stone, brick, glass tile, and terrazzo.

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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.

Ceramic and Porcelain TileExpert AnswersgroutinstallationMovement JointsStandards
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I assume that the concrete slab is an interior application. Generally speaking you don’t what to install tile over a concrete slab that has a hydrostatic water problem unless it is remediated first.

Ceramic and Porcelain TileExpert AnswersinstallationInstallation GuidelinesMoisture Problems
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For ceramic tile, or porcelain tile that is a type of ceramic tile, there are standards for what is acceptable tile lippage. Tile lippage is the vertical displacement between two adjacent tile edges.

Ceramic and Porcelain TileExpert AnswersinstallationLippage
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When there isn’t a white coating on the back of the glass tile, then the installer has to make sure the thin-set mortar adhesive is a uniform color and that the thin-set mortar is applied with continuous flat manner.

Expert AnswersGlass TileinstallationWet Areas
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As long as the existing marble floor is structurally sound and well bonded to its substrate without excessive deflection, you can bond over the marble.

Ceramic and Porcelain TileExpert AnswersinstallationInstallation Guidelinesstone
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Industry standards do not recommend butting tiles together whether they are a stone tile or a ceramic tile.

Expert AnswersgroutinstallationLippageStandardsstone
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