This odorless, colorless gas is
inserted between panes of glass for insulation and also increases a
window's energy efficiency by reducing conductive heat transfer.
Windows that have been coated
with a transparent, metallic layer to the glass surface, reducing its
emissivity or ability to radiate heat.
This style of window swings
out from the bottom and away from a building, just like an
To join two windows or
doors together, side by side.
A three-unit window with a
center piece flanked by two side panels that are usually angled at 30 or
National Certified Testing
Labs (NCTL) is an organization that performs standardized tests on windows
to ensure proper quality control levels.
A combination of windows
composed of four or more units, which are aligned in a smooth curving
A window that swings open from
the side, hinging at the top and bottom of the frame.
The National Fenestration
Rating Council (NFRC) is a non-profit group comprised of manufacturers,
builders, designers, government officials, utilities and consumers working
together to provide unbiased energy performance ratings for windows, doors
and skylights (fenestrations).
Consists of top and
bottom vertically sliding sashes in a single frame.
ability of a surface to radiate heat.
A strip of sheet
material either integral or fastened to a unit's frame, creating a flange.
This is a common method to install new construction windows and
A large, fixed or stationary
window designed to provide a maximum viewing area without
The outer components of
a window or door unit, consisting of a head jamb, side jambs, blind stops
and window sills, as applies.
Measure of a window's overall
resistance to heat transmission from different air temperatures on either
side of the glass.
A process of melting two or
more items together (i.e., a window sash and frame) via welding.
A wood/vinyl perimeter
to support the glass of a window, holding it separately from the frame and
allowing some independent movement from the frame.
1) Act of fitting a
window or door frame with glass. 2) Installing glass into a window or door
A window system with only
one glass unit movable in the window pane.
A long, thin piece of moulded
wood used to secure glass to the sash or frame of a window; silicone is
often used to create a seal between the glass and wooden glazing
A window that opens
Plate glass with increased
strength due to a special heat-treatment for greater strength as a safety
Specialty windows customized
to fit a variety of shapes, such as starburst, gothic, colonial, etc.
within a door pattern.
A window's ability to act
as a barrier to the transfer of heat.
An airtight seal.
Glass Comprised of two or more pieces
of glazing (glass) separated by hermetically sealed airspace for improved
A system where protected
insulated glass creates increased temperatures along the window's edges
and therefore reduces the potential for condensation on the glass
Applied to one or
both sides of a door's bottom rail, this thin, polished metal plate is
used to prevent denting and soiling of the wood surface.
An operating window
unit for specific use above a door or window.
Method of bonding
two or more layers of glass together using heat and pressure, with inner
layers of transparent plastic. This process provides one of the best
avenues to blocking ultraviolet rays.
used to provide a weather-tight seal between a window/door sash or