Copyright 2003.
Stone Mountain Cabins

damper: A movable plate that regulates the draft of a stove, fireplace, or furnace.

dead load: All the unmovable weight in a structure and the weight of the structure itself.

dimension lumber: Framing lumber that is 2 in. thick and from 4 to 12 in. wide.

doorjamb: Two vertical pieces held together by a head jamb forming the inside lining of a door opening.

doorstop: The strips on the doorjambs against which the door closes.

dormer: An opening in a sloping roof, the framing of which projects out to form a vertical wall suitable for windows or other openings.

double-glazing: Making a pane of two pieces of glass with air space between and sealed to proved insulation.

double-header: Two or more timbers joined for strength.