Dado |
A groove cut into a board or panel
intended to receive the edge of a connecting board or panel. |
Damper |
A metal "door" placed within
the fireplace chimney. Normally closed when the fireplace is
not in use. |
Dampproofing |
The black, tar like waterproofing
material applied to the exterior of a foundation wall. |
Daylight |
The end of a pipe (the terminal end) that is
not attached to anything. |
Dead bolt |
An exterior security lock installed on exterior
entry doors that can be activated only with a key or thumb-turn.
Unlike a latch, which has a beveled tongue, dead bolts have
square ends. |
Dead light |
The fixed, non-operable window section of a window
unit. |
Deck, decked |
To install the plywood or wafer board sheeting
on the floor joists, rafters, or trusses. |
Dedicated
circuit |
An electrical circuit that serves only one appliance
(ie, dishwasher) or a series of electric heaters or smoke detectors. |
Default |
Breach of a mortgage contract (not making the
required payments). |
De-humidistat |
A control mechanism used to operate a mechanical
ventilation system based upon the relative humidity in the home. |
Delamination |
Separation of the plies in a panel due to
failure of the adhesive. Usually caused by excessive moisture. |
Disconnect |
A large (generally 20 Amp) electrical ON-OFF
switch. |
Discount
rate |
A mortgage interest rate that is lower than the
current rate for a certain period of time, e.g. 2.00% below
variable rate for 2 years. |
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 jamb. These 3 jambs
have the "door stop" installed on them. |
Door operator |
An automatic garage door opener. |
Door stop |
The wooden style that the door slab will rest
upon when it's in a closed position. |
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 glass |
Window or door in which two panes of glass are
used with a sealed air space between. Also known as Insulating
Glass. |
Double hung
window |
A window with two vertically sliding sashes,
both of which can move up and down. |
Down payment |
The difference between the sales price and
the mortgage amount. A downpayment is usually paid at closing. |
Downspout |
A pipe, usually of metal, for carrying rainwater
down from the roof's horizontal 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 from seeping
through the foundation wall. Sometimes called perimeter drain. |
Draw |
The amount of progress billings on a contract
that is currently available to a contractor under a contract
with a fixed payment schedule. |
Drip |
(a) A member of a cornice or other horizontal
exterior finish course that has a projection beyond the other
parts for throwing off water.(b) 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. |
Drywall
(or Gypsum Wallboard (GWB), Sheet rock or Plasterboard) |
Wall board or gypsum- 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
and is used in bathrooms and other "wet areas". |
Ducts |
The heating system. Usually round or rectangular
metal pipes installed for distributing warm (or cold) air from
the furnace to rooms in the home. Also a tunnel made of galvanized
metal or rigid fiberglass, which carries air from the heater
or ventilation opening to the rooms in a building. |
Due-on-sale |
A clause in a mortgage contract requiring the
borrower to pay the entire outstanding balance upon sale or
transfer of the property. |
Dura board,
dura rock |
A panel made out of concrete and fiberglass usually
used as a ceramic tile backing material. Commonly used on bathtub
decks. Sometimes called Wonder board |
DWV
(drain-waste-vent) |
The section of a plumbing system that carries
water and sewer gases out of a home. |
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