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

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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.