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A.B.C.D.E.F.G.H.I.J.K.L.M.N.O.P.Q.R.S.T.U.V.W-Z
Garnet - transparent stone ranging in color from light red to darkish plum red.
GAUGE -- The distance between two needle points expressed in fraction of an inch. Applies
to both knitting and tufting.
GLASS MESH MORTAR UNIT/CEMENTITIOUS BACKER UNIT: A backer board designed for use with ceramic tile in wet areas. It can be used in place of metal lath,
Portland cement scratch coat and mortar bed.
GLASS MOSAIC TILES: Tiles made of glass, usually in sizes not over 2 inches square and 1/4 inch thick and mounted on sheets of paper. Sheets are usually 12" x 12".
GLAZE: A ceramic coating matured to the glassy state on ceramic tile. The term "glaze" also refers to the material or mixture from which the coating is made.
 | BRIGHT GLAZE: A high gloss coating with or without color. |
 | CLEAR GLAZE: A transparent glaze with or without color. |
 | CRYSTALLINE GLAZE: A glaze that contains microscopic crystals. |
 | FRITTED GLAZE: A glaze in which a part or all of the fluxing constituents are
prefused. |
 | MATTE GLAZE: A low-gloss glaze with or without color. |
 | OPAQUE GLAZE: A non-transparent glaze with or without color. |
 | RAW GLAZE: A glaze compounded primarily from raw constituents. It contains no prefused materials. |
 | SEMI-MATTE GLAZE: A medium-gloss glaze with or without color. |
 | SPECKLED GLAZE: A glaze containing granules of oxides or ceramic stains
that are contrasting colors. |
GLAZED TILE: Tile with a fused impervious facial finish composed of ceramic materials fused to the body of the tile, which may be
nonvitreous, vitreous or impervious.
GRADE: A predetermined degree of slope that a
finished floor should have.
GRADES: Grades of tile recognized in ANSI standard specifications for ceramic tile.
Granite - a light or speckled, coarse-grained igneous rock composed of quartz, feldspar, and mica
GREIGE GOODS -- (Pronounced "gray") -- Un-dyed carpet or other textile materials.
GRES: Unglazed, red body, heavy duty tile. Usually low water absorption with a textured pattern on its face.
GRIN OR GRINNING -- Condition where the backing shows through. Carpet may be grinned (bent back) deliberately to reveal the carpet construction.
GROUND COLOR --The background color of carpet against which the top colors create the pattern or figure in the design.
GROUT: A cementitious or other type material used for filling joints between tile. Mortar of pouring consistency.
GROUTING: The process of filling tile joints with grout.
GROUT SAW: The grout saw is saw-toothed carbide steel blade mounted on a wooden handle. It is used to remove old grout. It is also used in patching work. Care should be taken as it can easily damage adjacent tiles. The carbide steel blade is brittle and it will shatter if it is dropped or abused.
Guttae - small, drop-like rounded ornaments under a roof overhang
Gypsum - a mineral composed of hydrated calcium sulfate: CaSO4.2H2O
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