 |
|
|
|
Office: 713.699.5000 Active Members of |
Welcome to the largest Construction
Glossary on the net! A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z D Deck: The surface, installed over the supporting framing members, to which the roofing is applied. De-humidistat: A control mechanism used to operate a mechanical ventilation system based upon the relative humidity in the home. Dimension lumber: Wood lumber that ranges from 2 inches thick up to, but not including, 5 inches thick and 2 or more inches wide. Includes joists, rafters, studs, and planks. Designer: One who designs houses, interiors, landscaping or other objects. When used it the context of residential construction it usually suggests that a designer is not a licensed architect. Most jurisdictions don't require an architectural license for most single family construction. Door header: A beam located over a door or window to carry or redirect any load from above the door to the side door studs. Dormer: Any structure whose framing projects out of a sloping roof to form a vertical wall suitable for windows or other openings. Double Hung Window: A window with two vertically sliding sashes. This is a very common older window design, was usually made out of wood and tends to require frequent repairs. Double coverage: Application of asphalt roofing so that the lapped portion is at least 2 inches wider than the exposed portion, resulting in two layers of roofing material over the deck. Downspout: A pipe for draining water from roof gutters. Also called a leader. Drip edge: A narrow preformed piece of sheet metal placed along the edge of a roof line so it overhangs the edge of the roof and allows water to be carried beyond the roof edge and drip directly to the ground. Dry rot: A wood fungus that thrives in damp conditions and turns wood fibers into powder. Drywall or Gypsum Wallboard (GWB) or Sheet rock or Plasterboard: A wall finish consisting of a manufactured panel made out of gypsum plaster and encased in a thin cardboard. Usually 1/2" thick and 4' x 8' or 4' x 12' 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. |
|
