Use and Care Guide

11
GLOSSARY
Casement
A window with a sash that opens from the side like a door.
Clad
A metal protective shell on the exterior of some wood windows and patio doors. Usually aluminum or copper.
Double-Hung
A window with an upper and lower sash that slide vertically past each other.
Egress Hinge
A hinge used in conjunction with certain casement windows to allow a wider opening to meet emergency exit requirements.
Frame
The assembly of structural members (head, sill and jambs) used to fasten the window/patio door to the structure.
Insulated Glass Unit
A sealed assembly of two or more panes of glass separated by a spacer.
Jamb Liner
A removable balance system that ts into the side jamb.
Kerf
A groove that often holds weatherstrip.
Keyway
The slot in the lock where the key is inserted.
Lite
A framed opening in the glass within a sash or door panel; frequently used in reference to glass divided by a grid into multiple smaller
openings.
Rail
The horizontal piece of a sash or panel.
Sash/Panel
An assembly comprised of stiles (vertical pieces), rails (horizontal pieces) and the window or patio door’s glass.
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.
Side Jamb
The vertical frame member on either side of the window or patio door.
Sill
The bottom horizontal frame member of a window.
Sill Track
The track on the sill of a sliding/gliding window or patio door that guides the sash as it opens and closes.
Slider
A window with one or more sashes that slide horizontally.
Stile
The vertical piece of a sash or panel.
Weatherstrip
A strip of material that covers the joint between two separate parts of a window or patio door and is used to prevent rain, snow and cold air
from entering.
Weep Hole
The visible exit or entry part of a water drainage system used to drain water out of a window unit.
CARE AND MAINTENANCE
Wood Windows and Patio Doors (JCM003)