Glossary of door shop terms – Therma-Tru SHOP 1 General Information - Book Size User Manual
Page 5

General
Information
Shop 1
2014 (BOOK SIZE)
1.5
Glossary of Door Shop Terms
Edge Bore: The hole bored through the
edge of a door to allow the latch to pass
through, into the strike.
Electric Strike: A mechanism which allows
a switch to open the latch of a door.
End Seal Pad: A closed-cell foam piece,
about 1/16 inch thick, in the shape of a sill
profile, fastened between the sill and the
jamb to seal the joint.
Escutcheon: A stamped decorative plate,
usually circular to trim the shaft of a door
knob or deadbolt latch, to trim the opening
where the shaft or latch adjoins the face of a
door.
Etched Glass: Glass used for doorlites on
which a decorative pattern is engraved by
means of chemical action or mechanical
sand-blasting.
Extension Unit: A framed fixed door panel,
with a full-sized lite of glass, field-installed or
shop-installed adjacent to a two-panel patio
door, to make the door unit into a three-
panel door.
Faceplate: The plated or solid metal trim
piece, usually about 1 x 2-1/4 inches,
housed flush into the edge of a door,
through which projects the latch of a pas-
sage lock or deadbolt.
Finger Joint: A way of joining short sections
of board stock together, end to end to make
longer stock. Door and frame parts are of-
ten made using finger-jointed pine stock.
Fire Door: A door of a construction type
which has been tested to contain the spread
of fire from one room or occupancy area to
another. Fire doors are listed and labeled
to show their ratings in terms of time, i.e.,
20-Minute, 90-Minute, etc.
Flush-Glazed: A type of glazed door which
has its glass perimeter moldings flush with
or set down from the face of the surrounding
door.
Foam: Rigid or flexible plastic, light in
weight and cellular in structure, used in door
construction. Rigid foam is used as the in-
sulating and binding core for doors. Flexible
foam is sometimes used as gasket.
Foot Bolt: A steel pin housed in a door
bottom edge or astragal, with a latch mecha-
nism, which can be driven down to project
into a receiver socket or hole in the floor or
threshold, to better secure the door when
closed.
Frame: In door assemblies, the perimeter
members at the top and sides, to which the
door is hinged and latched. See jamb.
Gain: A notch across the end of a board or
wood part.
Galvanized: An adjective used to describe
steel which has been zinc-coated. Galva-
nized steel is resistant to corrosion.
Gasket: A strip of flexible material which in
an assembly of parts, prevents air and water
from penetrating or passing through joints
between parts.
Glazing: The elastic material used to seal
glass to a surrounding frame.
Grille: For doors with glass lites or inserts,
a removable face-mounted assembly of thin
wood or plastic pieces, which when in place,
gives the lite or insert a patterned multi-pane
look.
Grooved Glass: Glass which has been
decorated with abrasively-routed recesses.
Grooving can give a single piece of glass a
multi-paned look.
Handing: A term which describes or deter-
mines the direction of swing of a door w hen
opening.