Use and Care Guide

5
CARE & MAINTENANCE
Interior & Exterior Doors (JCM005)
GLOSSARY
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 a spacer.
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, sidelight 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.
Sidelight
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.