DRY WALL...
Featured Glossary "D" Term
DAB: To dress the face of a stone by picking with a pointed tool.
DACITE: Fine-grained extrusive (volcanic) rock, intermediate in color and composition between basalt and rhyolite.
DADO: Stone treatment on interior walls which does not extend to the ceiling, often ornamented.
DAMP COURSE: A course or layer of impervious material which prevents vertical penetration of water by capillary action.
DAMPPROOFING: Prevention of moisture penetration due to capillary action by the addition of one or more coatings of a compound that is impervious to water.
DAMPPROOFING COURSE: A horizontal or vertical course or layer, usually at least six inches above the ground level, that prevents the capillary entrance of moisture from the ground or a lower course.
DATUM: A horizontal plane elevation used as a reference plane.
DEADMAN: Buried cross timbers, or a bulk of concrete or stone, to which are attached guy pieces of wood, or wire cable, to anchor an upright post or derrick nearby.
DEFLECTION: The amount by which a horizontal member bends at the center under stress.
DELAMINATION: A failure in a laminating assembly characterized by the separation or loss of adhesion between plies, such as in built-up roofing or glue-laminated timber.
DENTIL: Block projections on an entablature.
DENTIL COURSE: Mold course immediately below the cornice, having on one of its members, small uniformly spaced blocks, referred to as dentils.
DEPTH OF GLOSS: The optical phenomenon of relative depth perceived when viewing reflective surfaces.
DERRICK: A hoisting device, usually made up of a guyed mast, a boom hinged to it, and pulley ropes.
DESIGN: To bring into being a mental concept.
DETAIL: A graphic representation of a part, usually at a larger scale than the design to which it belongs.
DIABASE: A granular igneous rock, dark gray to black, sometimes called dolerite.
DIAMOND MATCHING: (Quarter matching) A veneer panel matching pattern similar to book matching, except that the third and fourth panels are inverted over panels one and two.
DIAMOND SAWED: Finish produced by sawing with diamond toothed saws (either circular or gang).
DIAPER: Any continuous pattern in brickwork, usually applied in a diamond or other diagonal patterns.
DIE: A covering layer of interior stone from wall to ceiling.
DIMENSION: Stone-Natural building stone that has been selected, trimmed, or cut to specified shapes and sizes. Final surface treatment, or finish is as specified.
DIORITE: Granular, crystallized igneous stone composed of feldspar and hornblende.
DOG’S TOOTH: A brick laid with it’s corner projecting from the wall face.
DOGS AND CHAIN: Pair of steel hooks with rings attached into which chain is slung; vertical pull on chain draws hooks together in horizontal direction to grip stone blocks.
DOLLY POINTED: See picked.
DOLOMITE: A calcium magnesium carbonate; a crystalline variety of limestone, containing in excess of 40 percent of magenesium carbonate as the dolomite molecule.
DOLOMITIC LIMESTONE: A limestone rich in magnesium carbonate, frequently somewhat crystalline in character. It is found in ledge formations in a wide variety of color tones and textures. Generally speaking, its crushing and tensile strengths are greater than oolitic limestones, and its appearance shows greater variety in texture.
DOLOMITE MARBLE: A crystalline variety of limestone, containing in excess of 49% of magnesium carbonate as the dolomite molecule.
DOLOSTONE: Another name for dolomite. Often the word dolomite is used for the mineral dolomite while the name dolostone is used for the rock type composed of the mineral dolomite.
DOVETAIL ANCHOR: A splayed tenon that is shaped like a dove’s tail, broader at its end than at its base, which fits into the recess of a corresponding mortise.
DOVETAIL MOLDING: A molding in which interlocked triangles are used.
DOWEL: A cylindrical metal pin used in aligning and strengthening joints of adjacent stone units, or to assist in anchoring stone units.
DOWELS: Straight metal bars or rods used to connect two sections of masonry or masonry to other materials.
DRAFT: The tooled strip or border of faced stone, also known as a margin.
DRAFTSMAN: One who translates and draws or prepares a design into drawings.
DRESSED/ HAND DRESSED: The cutting of rough chunks of stone by hand to create a square or rectangular shape. A stone which is sold as dressed stone generally refers to stone ready for installation.
DRESSING: The shaping and squaring, sometimes called scabbling, of blocks for storage and shipment.
DRILL: To cut a cylindrical hole, or a tool used to drill a cylindrical hole.
DRIP: A recess cut into the underside of projecting stone to divert water and prevent it from running down the face of a wall or other surface of which it is a part.
DRIP MOLD: A molding shaped for drip.
DROVE: A mason’s blunt chisel for facing stone.
DRUM: One of the cylindrical stone blocks of a column shaft.
DRY PACK: A mixture of Portland Cement and fine aggregate, dampened, but not to the extent that it will flow. It is usually rammed or packed in a hole to secure a bar or anchor, but it is also packed under base plates.
DRY SEAM: Unhealed fracture which may be a plane of weakness.
DRY WALL: Dry wall is a stone that is constructed one stone upon the other without the use of any mortar. Generally used for retaining walls.
DUAL FINISH: Two finishes on one piece of stone, such as thermal and polished.
DURABILITY: The measure of the ability of dimension stone to endure and to maintain its essential and distinctive characteristics of strength, resistance to decay and moisture, and appearance.
DUTCHMAN: A small, matching piece of dimension stone that is cut, finished and attached with the tightest possible joint to a floor, wall, top, or other larger piece of stone to increase its length or width or to repair or replace a missing or damaged area. Dutchmen are usually affixed in the fabrication shop with epoxy or polyester resin.
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