How to 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.