Use and Care Manual
acts as a tile crack isolation membrane. This installation method is also rated for shower
wall installations.
High performance, high polymer based non-sag thinset mortar - glue applied - with a
trowel 1/4 in. x 3/16 in. V-Notch Trowel can also be used. Respect the deadline before
grouting according to the mortar / glue chosen. Please follow the mortar manufacturer's
guideline for actual recommended usage and applications.
GROUT
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It is suggested to use a grout without sand for the installation of glass mosaics.
Additionally, we suggest a grout sealer application to prevent stains, water
infiltration, etc…
It is noteworthy that the risk of scratches is present when sanded grout is used (regular
grout and epoxy grout) particularly on tile with shiny surfaces. Likewise, avoid abrasive
products for cleaning.
EXTREMELY HOT OR HEATED ENVIRONMENTS
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Do to the nature of glass and glass tiles, the installation of glass tiles in extremely hot or
heated environments is only recommended with caution. In order to have a successful
install care must be taken as to not introduce thermal shock to glass or glass tile.
POOL/WET ENVIRONVENTS
Certain GBM glass tiles can be used in wet areas. The proper installation of GBM glass
tiles is critical to avoid stress on the glass. To find tiles that can be used in wet areas
search GBM for “Pool Rated” tiles.
CUTTING GLASS TILES
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The easiest, fastest and best way to cut glass tile is with a simple glass-scoring tool and
a straight edge. IMPORTANT! All cut edges on GBM glass tiles need to be embedded
completely in the setting material. To cut, score the glass lightly on the front or
unpainted side of the tile along the desired cut line and snap along the line. To snap the
tile, place the tip of a tapered hardwood dowel, similar to the size of a pencil, directly
under the edge of the scored line and place even pressure on both sides. Carbide
wheel glass-scoring tools are available at nearly all hardware stores. A very useful and
important tool for all glass tile installations is a pair of GLASS RUN PLIERS. Using glass
run pliers allows the installer to easily cut and trim GBM glass tiles. Cuts as thin as 3/8”
or smaller are possible.
Once the tile surface is scored, the score line is aligned with a white stripe on the top of
the pliers jaw. Slight pressure applied to the pliers will snap the glass. When score
cutting, be sure to use the Glass Run Pliers to affect the initial cutting of the glass.



