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Back Bead
Refers to the material first installed into a glass rabbet
prior to the installation of the glass. Designed to bed the glass and
provide a moisture seal. (Usually a putty or sealant)
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Blind Stop
Serves the same basic purpose as the inside stop only for exterior.
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Bottom Rail
The horizontal portion of the lower sash .(makes contact with the sill)
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Double-Hung
Refers to a window type with an upper and lower movable sash. Usually
counter-balanced by a weight or held open by sash “stays”.
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Glazing
Refers to the glass in the sash.
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Glazing Points
Metal pins designed to hold glass in place. Designed to be covered by
glazing putty.
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Glazing Putty
Designed to hold the glass in place and shed rain and condensation.
Usually a triangular shaped cross-section.
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Glass Rabbet
Refers to the muntin bars and sash stiles. A right angle groove designed
to hold the glass and glazing putty.
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Head
The upper most horizontal portion of the window frame.
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Inside Stop
Usually ½” or 3/8” by 2”. Keeps the lower sash from falling inward.
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Jam
The fixed part of a window. Comprises of a right and left side, a head
and sill.
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Kerf
A groove cut to accommodate the barbed-pile weather-stripping. 1/8” wide
by 3/8” in depth.
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Meeting Rail
Also known as a check-rail. The horizontal portion of both the upper and
lower sash. Defines where the upper and lower sashes come together or
“meet”.
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Mullion
Joins two or more window units together. Usually common stock 1 by…
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Muntin
Bars or dividers that separate the individual panes of glass in a window
sash.
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Parting Bead
See Parting-Stop.
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Parting Stop
Also known as parting bead. Usually a 3/8” by ¾” or ½” by ¾” wood piece.
Designed to fit in a dado into the pulley stile. Usually held in by a
compression fit. Designed to separate the upper from lower sash.
Removable. Usually replaced with new.
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Pulley Stile
aka: window jam or frame. The vertical pieces of the left and right side
of window frame.
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Sash
The movable part of a window. Designed to hold the glass. Comprises of
an upper and lower, usually attached to a counter-weight balance system
via rope or chain.
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Sash Stiles
Refers to vertical sections of sash, upper and lower.
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Single-Hung
Same as noted above only upper sash is designed to remain “fixed”.
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Sill
The bottom most part of the fixed window frame ( horizontal ).
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Top Rail
Usually refers to the upper sash, horizontal section (makes contact with
head).
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Window Frame
The fixed portion of a window unit comprising of a left and right jam
(vertical), head jam (horizontal top), and sill (horizontal bottom). |
