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

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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.

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There are no mandatory requirements to install glass tile over an ANSI A118.12 crack isolation membrane, unless the substrate to which the tile will be adhered to has non-structural cracks.

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According to the Marble Institute of America (MIA), on smooth surface stones, lippage should be limited to +/- 1/32″.

Expert AnswersgroutinstallationInteriorLippagestone
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Excessive efflorescence staining (generally a whitish substance) on stone, tiles, grout, or adjacent surfaces is a generally a symptom of an excessive moisture problem.

Ceramic and Porcelain TileExpert AnswersExteriorinstallationMoisture ProblemssealersstoneWet Areas
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