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TCNA
Definition:

(Tile Council of North America)
An organization of manufacturers serving the ceramic tile industry, with overlapping interest in the stone tile industry, particularly in installation. The TCNA publishes the Handbook for Ceramic Tile Installation and serves as the Secretariat for the ANSI accredited A108 and A118 committees. Established in 1945 as the Tile Council of America (TCA), it became the Tile Council of North America (TCNA) in 2003 to reflect its membership expansion to all of North America - Canada, Mexico and the United States.


Template
Definition:

A pattern for a repetitive marking or fabricating operation.


Terrazzo
Definition:

A flooring surface of marble or granite chips in a cementitious or resinous matrix, which is ground and finished after setting.


Texture
Definition:

Surface quality of stone independent of color.


Textured Finish
Definition:

Any of the rough surface finishes used in dimension stone, selected for aesthetic reasons or as friction performance for walking surfaces.


Thermal Finish
Definition:

A textured surface treatment applied by brief exposure to intense heat.


Thin Stone
Definition:

Dimension stone units that are 2” (50 mm) or less in thickness.


Threshold
Definition:

A flat or profiled strip of stone projecting above the floor between the jambs of a door, often marks the transition between two different flooring materials. Also known as a “saddle.”


Tile
Definition:

A thin modular stone unit, less than ¾” (20 mm) thick, and not exceeding 24” (600 mm) in its greatest dimension.


Tilt Shop Cart
Definition:

A device used in stone fabrication areas to move slabs and/or cut-to-size pieces within the shop. The cart has a bed that tilts, allowing it be loaded with a slab in a vertical orientation but unload the same slab in a horizontal orientation.


Tin Oxide
Definition:

A powder used in the polishing of granite with a talc-like appearance and applied with a felt pad and slow speed buffer.


Tolerance
Definition:

The permissible limit of variation from the specified dimension.


Tooled Finish
Definition:

A finish that customarily has four, six, or eight parallel, concave grooves to the inch. See also bush hammered.


Translucence
Definition:

A characteristic of light colored onyxes and some light colored marbles allowing light to diffuse as it passes through.


Travertine
Definition:

A variety of limestone formed by chemical precipitate from hot springs. Some varieties of travertine take a polish and are known commercially as marble. ASTM C119 classifies travertine in both the limestone and the marble groupings.


Tread
Definition:

A flat stone used as the top (horizontal) walking surface on steps.


Trim
Definition:

The framing or edging of openings and other features on the interior or exterior of a building, including baseboards, picture rails, cornices, and casings.


Tumbled Finish
Definition:

A weathered, aging finish created when the stone is tumbled with sand, pebbles, ­or steel bearings.