The angle of a surface that meets another at any angle but 90 degrees.


A trim tile with a convex radius on one edge. This tile can be used for finishing the top of a wainscot or for turning an outside corner.

Butt Joint

Joint between two tiles, in order to create smallest grout joint.


Items, made of hard brittle material produced from nonmetallic minerals by firing at high temperatures.


A fine crack on a glazed or other tile.

Diagonally Set

Turning a square tile 45 degrees and setting it with the point touching the already placed tile


Tile or trim unit that is formed when plastic clay mixtures are forced through a pug mill opening of suitable configuration, resulting in a continuous ribbon of formed clay. A wire cutter or similar cut-off device is then used to cut the ribbon into appropriate lengths and widths of tile.

Face Mounted

A mosaic where the front of the tile is mounted on a paper or plastic sheet.


An area of tile covering a wall or floor.


Granite is igneous, meaning it is formed by extreme heat and volcanic action. Its characteristic colors include a huge variety and mixes of color. Granite can take a high polish.


A rich or strong cementitious or chemically setting mixture used for filling tile joints


Limestone is sedimentary, meaning it is formed by the action of water and great pressure. Its characteristic colors include neutrals, off-white, beige, tan, taupe, light blue grey. The look of limestone is created by the interaction of sediment deposits and shells with geological activity. Limestone finishes are usually honed and typically do not hold a high gloss polish.


Marble is the metamorphic product of limestone, meaning it is formed when heat and great pressure are applied to limestone. Its characteristics include a huge variety and mixture of colors. The veins found in marble are created by the interaction of mineral deposits with geological activity. Marble can take a high polish due to its hard surface.


A non-shiny, frosted ceramic.


Provides a decorative or architectural accent as it finishes off a run of tile.


A pattern or picture composed of stone, tile, glass or pottery fitted together.


Hard transparent, ,nonporous white clay fired at a very high temperature used for decorative tiles and fine tables.

Quarry Tile

A tile made from clay that is fired at high temperature.

Running Bond

Also known as brick joint. Tiles installed in such a way as to have half of the tiles overlap each other in alternating courses.


Slate is metamorphic, meaning it is formed under great pressure from sediment. It has a huge variety of characteristic colors that often vary widely. Slate has a natural cleft finish.

Soldier Course

Oblong tile laid with the long side vertical and all joints in alignment .

Tile rating

The PEI classification (Porcelain Enamel Institute rating)for porcelain and ceramic tiles of the best areas of use that manufacturers recomend


Travertine is a banded, compact variation of limestone. Its characteristic colors include neutrals, off white, beige, tan, and yellow. The look of travertine is created by the interaction of gas, shells and water with geological activity. Travertine finishes are usually honed, but some will hold a polish.


Finishing pieces of tile that transition two areas.


A flat bladed hand tool for leveling, spreading or shaping substances such as cement or mortar.