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Wainscot
Definition:

An interior veneer of stone covering the lower portion of an interior wall.


Wall Tie
Definition:

In masonry, a type of anchor, generally a metal strip, used to secure facing to backup wall or to connect the wythes of a cavity wall. Ties are mortared into joints during setting, and thus do not require that slots or anchor holes be cut.


Walls, bearing
Definition:

A wall supporting a vertical load in addition to its own weight.


Walls, cavity
Definition:

A wall in which the inner and outer wythes are separated by an air space but tied together with metal ties.


Wash
Definition:

The slope on the top of a stone unit intended to shed water.


Water Jet
Definition:

A machine which uses extremely high pressure water and an abrasive to cut stone material in complex and exacting shapes from slabs or tile.


Water Recycling System
Definition:

Any system that recovers water used in shop fabrication machinery and restores it to a reusable condition by filtering and/ or chemical neutralization, after which it is returned to service.


Water Repellent
Definition:

Any of several types of liquid-applied formulations used to render masonry walls less absorptive. These treatments are said to maintain a material’s ability to breathe away moisture, as distinct from “sealers” which form impervious, non-breathing coatings.


Water Table
Definition:

A course that projects from the face of a wall, generally near grade and having a beveled top and a drip cut in the projecting underside, to deflect water.


Water-jet Finish
Definition:

A surface treatment performed by using water under extreme high pressure.


Waterproofing
Definition:

See Damp Proofing.


Waxing
Definition:

The practice of filling minor surface imperfections such as voids or sand holes with melted shellac, cabinetmaker’s wax, or certain polyester compounds. In the dimension stone industry, it does not refer to the application of paste wax to make surfaces shinier.


Wear
Definition:

The removal of material or impairment of surface finishing through friction or impact use.


Weathering
Definition:

Natural alteration by either chemical or mechanical processes due to the action of constituents of the atmosphere, soil, surface waters, and other ground waters, or by temperature changes.


Wedging
Definition:

Splitting of stone by driving wedges into planes of weakness or holes in the stone.


Weep Holes
Definition:

Openings for drainage in veneer joints or in the structural components supporting the veneer.


Wire Sawing
Definition:

A method of cutting stone by a wire or cable. Traditionally, the term applied to the use of a twisted wire carrying an abrasive slurry as the cutting agent. Currently, the term is more frequently used to describe the use of a cable that is fitted with diamond abrasive segments at regular intervals, cooled with water.


Wythe
Definition:

The inner or outer part of a cavity wall.