Therma-Tru SHOP 1 General Information - Book Size - Manual (Page 8)

General
Information
1.8 2014 (BOOK SIZE) Shop 1
Glossary of Door Shop Terms
for fastening a door more securely at night.
Nosing: An edge piece, usually molded with
a rounded face or corner, which runs the
length of an assembly. Oak adjustable sills
have a nosing part along the floor line at the
inside edges.
NRP Hinge: An abbreviation for a hinge
with a non-removable pivot pin. NRP hinges
are used when exterior doors swing out, as
a security feature. The fixed pins make it
impossible to remove a door by driving out
pivot pins.
Open-Cell Foam: A foam material which
has passageways between cells. Open-cell
foam will absorb and retain water, because
the water will penetrate deeply inside the
foam.
Outswing: An exterior door assembly in
which the door panel swings outside the
building.
Panic-proof Lock: A lock and latch device
which permits a door to be opened outward
by pressure being applied to a bar mounted
across the inside face of the door.
Passage Lock: A lockset which will retain a
door closed, but which cannot be locked.
Passive: In a double or two-panel door
assembly, the door which usually remains
closed and fixed by bolts at top and bottom.
The other door panel is used for regular
passage.
Plant: A decorative molding applied to the
surface of a flush door, to give the appear-
ance of a raised-molding design.
Plates: In residential wood-frame construc-
tion, the horizontal parts of a wall frame
running atop the subfloor, and at the ceiling
atop the stud ends, on which framing from
above bears.
PVC: Abbreviation for polyvinyl chloride,
a plastic material used to make molded or
extruded parts.
R-Value: A number which describes in
relative terms, the ability of a material or
assembly to resist the flow or transmittance
of heat. Assemblies or materials with high R-
values are better insulators than those with
lower R-values.
Rabbet, Rebate: A rectangular recess cut
or formed along the long edge of a part,
usually a wood part.
Rail: In insulated door panels, the part,
made of wood or a composite material,
which runs inside the assembly, across the
top and bottom ends, and makes up the top
or bottom edge. In stile and rail doors, hori-
zontal pieces at top and bottom edges, and
at intermediate points, which connect and
frame between the stiles.
Ramp: In a sill or threshold, the horizontal
face which is sloped.
Rebate: See rabbet.
Reveal: The offset or margin between
edges of parts.
Riser: A term which describes the part of
an adjustable sill which can be moved up or
down by turning adjusting screws.
Riveted-Pin Hinge: See NRP hinge.
Rough Opening: A structurally-framed
opening in a wall which receives a door unit
or window.
Saddle: In adjustable sills, another term
for riser. Also, a shop-applied label applied
around the corner or edge of a door, which
provides identification and installation in-
structions.
Safety Glass: Glass which when broken,
shatters into small pieces without sharp
edges.