Active Door -
A door that is mostly used when entering, but
mostly referred to the first door to open of a double door system,
whereas the inactive door can also be opened via separate locks
or by releasing the flush-bolt's.
Arch Door -
A door with an Arched Top Rail, Round Top or Segmented Arched
Top. A door that is not square.
A moulding used to seal between a
double door. On exterior doors; astragals are
kerfed for weatherstripping, also flush bolt
hardware is mortised in to hold the inactive
door in place.
The distance from the edge of the Stile to the
center of the Bore Hole for a door knob, dead bolt or handleset.
Typical exterior doors use a 2 3/4" backset and Interior Doors
use a 2 3/8" backset.
The angle of a doors Lock Stile outer edge is shaved on a 4
degree angle to provide a tighter seal.
design created by grinding and
polishing the edge on an angle. This bends light to create a
prism, rainbow effect and
The hole cut out of a
door slab to provide for an industry standard door lock and or
Exterior Doors: The most common center-to-center
hole spacing for double bore prep is 5 1/2"
and 2 3/4" backset.
The actual measurement
of a pre-hung door unit in Width and Height including the jamb.
A molding used to Trim
around the outside edge of an exterior door frame. Siding,
Brick, Stone and Stucco will then butt up to this moulding
making future door maintenance or door replacement easier.
Formed metal stripping, usually made of brass or
plated steel, used between cut-glass pieces to assemble the
pieces into a decorative glass panel. Caming is soldered at
joints to bond the glass assembly together.
A Moulding used to Trim
around the inside of doors and window frames.
Double Doors -
An opening with two
vertical doors that meet in the middle of the opening when
A shape that resembles a
flattened half circle (oval). Elliptical Transoms are windows placed
above a door in the shape of half an oval.
Flush Bolt -
Sliding Lock Pins
mounted in the edge of a door and is flush with the edge when
retracted. Locks a door in place when thrown.
A door with glass panes
throughout and separated by wood mullions.
Handing / Door Swing
The direction of swing
of a door. i.e. Right Hand Swing is: facing a door with handle
on the left, hinges on the right, pushing the door away from
you, is a Right Hand swing.
A device for holding together two parts such that one can swing
relative to the other, typically having two interlocking metal
leaves held by a pin about which they can pivot.
the term used to
describe Exterior Entry Doors when opened the door leaf ends up
in the interior of the structure.
In-active Door -
The door leaf of a
double door that is not the most used to enter or exit from and
requires unlocking of the flush bolts prior to use.
Insulated Glass -
A glass assembly of
multiple pieces, separated by a uniform airspace and perimeter
spacer then sealed as a single unit.
the Frame that
supports and is attached around the door via hinges and door
lock. Includes Vertical Leg and Horizontal Head, with
Threshold on exterior doors.
Jamb Depth -
The measurement of the jamb from the inside to the outside of
the home not including casing or brickmold. example; from the
interior drywall to the outer plywood sheeting.
A thin slot cut
into the Jamb to allow for attachment of the removable
Kerfed Jamb -
slot cut into the outer edge of the door jamb to allow for the
drywall to bullnose directly into it. Using a Bullnose Kerfed
Bead creates an attractive rounded encasement and there is no
need for casing. (typical use is for interior doors)
Knocked Down -
jamb and components pre-mortised, routed and bored but delivered
Masonry Opening -
Sometimes referred to as
the MO. The Opening in a Masonry wall to accept a door or
windows, similar to a Rough Opening where width and height
measurements of the masonry are critical when ordering for a
replacement. The term MO is not limited to just masonry: Stucco,
Brick, Limestone, Stone, Wood and Vinyl Siding all can be
helpful to properly measure for a replacement.
Multi-point Locking System / 3Point Locks
locking enables the top, middle and bottom of the door to be
simultaneously secured with 3 individual deadbolt latches to the
Mull / Mulled -
A term describing the
joining of two door units or a door to a sidelite.
An exterior door
assembly where the door swings or is pulled open to the outside
of the building.
A door completely
machined and assembled with the door jamb, hinges, lock bore,
Rough Opening -
The dimensions of an
opening in a wall measured to the rough framing (width x height)
required to install the complete door system. Allowing for 1/2"
to 1" clearance between the door jamb and the header and jack
studs (trimmer studs). When accurately measuring for
replacement doors, removal of the interior casings to view the
rough framing is necessary.
Round Top Doors -
A Door with a half
circle shape at the top of the door. Sometimes referred to as
Radius top door for having a partial of a circular shape or a
segmented radius top doors where the shape is a any number of
degrees above a 90 in an arched shape or arch top doors.
Sidelite or Sidelight -
The small boxed door
attached beside a handed door, typically with glass to allow
more light and used for decoration.
A term used for a "door"
that has yet to be machined, mortised for hinges or bored for
handing, and without a door jamb or frame. A door slab is used
for pocket doors and bypass doors.
The adjustable water and
air tight barrier that lies at the bottom of the door frame and
fully integrated to the door jamb.
A Window or decorative
glass placed above a doorway.
Decorative wood attached
to the frame of the door covering the gap between the door jamb
and rough opening.
Unit Size -
The actual measurement
of an exterior door unit in Width and Height including jamb.
Weather Stripping -
A flexible strip of
material to cover the joint of a door and frame when it is
closed to seal out air and water penetration.
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