Therma-Tru SHOP 1 General Information - Book Size - Manual (Page 6)

General
Information
1.6 2014 (BOOK SIZE) Shop 1
Glossary of Door Shop Terms
Head Bolt: A steel pin housed in a door top
edge or astragal. See foot bolt.
Head, Head Jamb: The horizontal top
frame member of a door assembly.
Hinge: An assembly of metal plates and a
cylindrical metal pin, which when fastened to
a door edge and to a door frame, allow the
door to swing or rotate in its frame.
Hinge Stile: The full-length vertical edge of
a door, at the side or edge of the door which
fastens to its frame with hinges.
Horned Sill: A sill which has been coped
or cut in such a way at its ends, so that the
sill projects across the outside face of the
bottoms of door jambs, allowing the bottom
ends of the brickmould pieces to butt and
join to the top of the sill.
IG Unit: Abbreviation for insulated glass
unit.
Impact Doors: Doors manufactured with an
internal reinforcement (steel plate) to comply
with Coastal Building Code (Impace Resis-
tance) requirements.
Impact Glass: Glass lites in either clear
or decorative designs manufactured with a
reinforcement film laminated between two
layers of glass to comply with windborne
Coastal Building requirements.
Inactive: A term for a door panel fixed in its
frame. Inactive door panels are not hinged
and are not operable.
Insulated Glass, Insulating Glass: A glass
assembly of multiple full-lite pieces, sepa-
rated by a perimeter spacer and sealed as
a unit. Insulated glass in residential doors
is usually made with two thicknesses of 1/8
inch glass, separated by an airspace up to
3/4 inch thick.
Inswing: A term used to describe an exteri-
or entry door unit for which, when the hinged
door panel is opened, the panel swings into
the building.
Jamb: A vertical perimeter frame part of a
door system.
Jamb Jack: A fastener device for fixing a
door frame to a wall structure, which allows
the space or margin between the frame and
the structure opening, to be varied by turn-
ing the fastener screw.
Jamb Stop: In exterior door frames, the
molded-in rebate surface of a frame mem-
ber against which door panels close and
seal.
Kerf: A thin slot cut into a part with a molder
or saw blade. Weatherstrip is inserted into
kerfs cut into door jambs.
King Stud: In a wood-framed rough open-
ing, the stud which runs full height from floor
plate to ceiling plate, against which trimmer
stud attaches.
Knuckle: The feature of a hinge where the
hinge leaf is cut for two or three projections
which wrap and form a barrel or socket for
the hinge pin.
Laminate: A thin face of wood or plastic,
adhesively bonded to a core or substrate,
which makes up the decorative, wear or
weatherable surface of the part.
Latch: A moveable, usually spring-loaded
pin or bolt, which is part of a lock mecha-
nism, and engages a socket or clip on a
door jamb, retaining the door closed.
Leaf: A term which can apply to a door or
hinge and which defines a part of the as-
sembly which can swing on a pivot. Butt
hinges have two leaves.
Lite: An assembly of glass and a surround-
ing frame, which is assembled to a door, or
is integrally built into the door at the factory.