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Setting Mirror Tiles

Mirrored glass can certainly be used as wall tiles. This photo shows a line of mirrored bevels set into a glass tiled kitchen wall. The bevels were mirrored on the beveled side and set with the bevel facing into the wall and flat side flush with the surrounding plain glass tiles to give a remarkable sense of depth.

We recommend using Black or Gray Roll Coat to protect the mirror coating for thinset and mirror mastic applications.

Surface Preparation

The substrate must be flat, clean, dry and free from frost, grease and loose materials. On porous surfaces such as brickwork, plaster, plywood, and block work, the surface must be primed before proceeding with the application of the adhesive.

Crack Suppression

The use of a crack suppression membrane is required. Many substrates may continue to cure and shrink over a period of months, and a crack isolation membrane may prevent shrinkage or movement of the substrate.

For membrane information, please contact

  • Protecto Wrap -
  • N.A.C -
  • Proflex -

Thinset Mortar

We recommend Laticrete 254 Platinum thinset. It is available in gray or white and gray is recommended however it is up to the client to make this aesthetic decision. Tiles must be back buttered to ensure proper bonding. A 1/16" space should be left between the tiles to accommodate any movement after installation. If butt jointed, the glass may crack over time due to expansion and contraction.


Mirrored glass tiles may be cut with a suitable self-oiling straight-line glass cutter (score and snap method), such as those made by Toyo, Fletcher, and Perfect Score. For drilling, a diamond cut drill bit for glass may be used.


Grouting is optional and mirror tiles are often left ungrouted except in wet areas. Always use a non-sanded grout. Take care not to scratch the surface of the tile while spreading and cleaning the grout. Clean with non abrasive, non acidic mild cleanser and a soft cloth.

Alternatives to Thinset Mortar

The alternative to thinset mortar is mirror mastic. We have supplies and instructions for mastic here.

Many thanks to Scathain for sharing their experience with mirror tiled walls.