| -
Q -
QUARTER ROUND: A small molding
that has the cross section of a quarter circle.
QUARTER-SAWED: Lumber which has been sawed so that the medullary
rays showing on the end grain are nearly perpendicular to the face
of the lumber.
QUOINS: Stone or other building materials set in the corners of
masonry sections of a house for appearance.
- R -
RABBET: A groove cut along the edge of
a board producing an L- shaped strip. Used as trim and in joint
work in cabinet construction.
RADIANT HEATING: A method of heating, usually consisting of a forced
hot water system with pipes placed in the floor, wall, or ceiling;
or with electrically heated panels.
RADIATION:The flow of heat from a warm source through space in waves
of infrared or visible light energy. Sometimes called "isolation."
RAFTER: One of a series of structural members of a roof de signed
to support roof loads. The rafters of a flat roof are sometimes
called roof joists.
RANDOM RUBBLE: Stonework having irregular shaped units and no indication
of systematic course work.
RED CEDAR: A reddish to dull brown softwood. The premier wood for
shingles used in the United States because of its durability, ease
of working, and light weight. Also used for interior and exterior
trim, sash, doors, and siding.
REDWOOD: Light to deep reddish brown softwood. Mill products include
sash, doors, blinds, siding, and trim. Extensively used for garden
furniture and exterior decking.
REGISTER: The open end of a duct for
warm or cool air; usually covered with screening.
REINFORCED CONCRETE: Concrete with steel
bars or webbing embedded for strength.
RETAINING WALL: A wall which holds back
an earth embankment.
REVEAL. The side of an opening for a
window or door, between the frame and the outer surface of the wall.
RHEOSTAT: An instrument used for regulating
electric current.
RIDGE: The top edge of the roof where
two slopes meet.
RIDGE BOARD: The board placed on edge
at the ridge of the roof into which the upper ends of the rafters
are fastened.
RIPRAP: A sustaining wall or foundation
of random stone to prevent erosion on an embankment.
RISE: In stairs, the vertical height
of a step or flight of stairs.
RISER: Each of the vertical boards closing
the spaces between the treads of stairways.
RISER WALL: A short wall.
ROOF SHEATHING: The boards or sheet material
fastened to the roof rafters on which the shingles or other roof
covering is laid.
ROUGH OPENING: A framed opening in a
structure into which doors, windows, and other finished trim are
set.
RUN: In stairs, the net width of
a step or the horizontal distance covered by a flight of stairs.
|
