Use and Care Guide
CARE AND MAINTENANCE
Interior and Exterior Doors (JCM005)
5
Astragal
The vertical trim attached to one of the panels of a French door that
bridges the gap between the panels when closed to provide weather
and overswing protection.
Door System
An assembly of a door slab and frame where the slab has been pre-
hung in the frame.
Frame
The assembly of structural members (head, sill and jambs) used to fasten
the door to the structure.
Insulated Glass Unit
A sealed assembly of two or more panes of glass separated by aspacer.
Kerf
A groove that often holds weatherstrip.
Keyway
The slot in the lock where the key is inserted.
Lite
A framed piece of glass within the door slab, sidelite or transom.
Rail
The horizontal pieces of a door slab.
Seal Failure
The airtight seal between two panes of an insulating glass unit has
broken and is usually discovered when excess moisture fogs the inside
of the glass panes.
Sidelite
A xed, usually rectangular decorative glass component on either side,
or both sides of a door system.
Slab
The operating part of the door system.
Stile
The vertical pieces of a door slab.
Sweep
The exible seal material attached to the bottom of the door slab.
Threshold
The bottom component of a door system.
Transom
The decorative glass component installed above the door system.
Weatherstrip
A strip of material that covers the joint between the door slab and
frame and is used to help prevent rain, snow and air from entering.
GLOSSARY