City of Virginia Beach Pattern Book
Detail – 1) An individual part or item 2) A graphical scale- representation of construction part(s) or item(s) showing materials, composition and dimensions.
Doorjamb, interior – The surrounding case into which, and out of which, a door closes and opens. It consists of two upright pieces, called side jambs, and a horizontal head jam2) The door stop is installed on each of these three jambs.
Door stop – The wooden style that the door slab will rest upon when in a closed position.
Dormer – A roof gable that is usually located at right angles to the main roof structure. It is used to increase head room. It can also be used as an architectural detail.
Double glass – Window or door in which an air space is sealed between two panes of glass. Also known as insulating glass.
Double-hung window – A window with two vertically sliding sashes. This window design was common on older homes, was usually made out of wood, and tends to require frequent repairs.
Downspout – A pipe, usually of metal, for carrying rainwater down from horizontal roof gutters.
Drain tile – A perforated, corrugated plastic pipe laid at the bottom of the foundation wall and used to drain excess water away from the foundation. It prevents ground water
foundation wall. Sometimes called a perimeter drain.
Pattern Book Appendices: Appendix B: Glossary: Construction Terms
from seeping through the
Draw – The amount of progress billings on a contract that is currently available to a contractor, under a contract with a fixed payment schedule.
Drawings – 1) A term used to represent the portion of the contract documents
that graphically illustrates the design, location and
dimensions of the components and elements contained in a specific project. 2) A line drawing.
Drip – 1) A member of a cornice or other horizontal exterior finish course that has a projection beyond the other parts for throwing off water. 2) A groove in the underside of a sill or drip cap to cause water to drop off on the outer edge instead of drawing back and running down the face of the building.
Drip cap – A molding or metal flashing placed on the exterior topside of a door or window frame to cause water to drip beyond the outside of the frame.
Dry in – To install the black roofing felt (tar paper) on the roof. Dry rot – See fungal wood rot.
Drywall – Also known as gypsum wallboard (GWB), sheet rock or plasterboard. A wall finish consisting of a manufactured panel made out of gypsum plaster and encased in a thin paperboard. It is usually ½ inch thick and 4 by 8 feet or 4 by 12 feet in size. The panels are nailed or screwed onto the framing and the joints are taped and covered with a joint compound. Green board type drywall has a greater resistance to moisture than regular (white) plasterboard.
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