Argon
Gas - 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.
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Awning Window - This style
of window swings out from the bottom and away from a building,
just like an awning.
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Bay Window - A three-unit window
with a center piece flanked by two side panels that are usually
angled at 30 or 45 degrees.
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Bow Window - A combination
of windows composed of four or more units, which are aligned
in a smooth curving contour.
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Casement Window - A window
that swings open from the side, hinging at the top and bottom
of the frame. Nailing Fin (Flange)- 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
doors.
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Double Hung Window - Consists
of top and bottom vertically sliding sashes in a single frame.
Picture Window- A large, fixed or stationary window designed
to provide a maximum viewing area without obstructions.
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Emissivity - The relative ability
of a surface to radiate heat. R Value- Measure of a window's
overall resistance to heat transmission from different air temperatures
on either side of the glass.
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Frame - The outer components
of a window or door unit, consisting of a head jamb, side jambs,
blind stops and window sills, as applies. Sash- 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.
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Fusion Welded - A process of
melting two or more items together (i.e., a window sash and frame)
via welding. Single Hung Window- A window system with only one
glass unit movable in the window pane.
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Geometric Window - Specialty
windows customized to fit a variety of shapes, such as starburst,
gothic, colonial, etc. within a door pattern.
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Glazing - 1) Act of fitting
a window or door frame with glass. 2) Installing glass into a
window or door frame. Slider Window- A window that opens horizontally.
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Glazing Bead - 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 bead.
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Hermetically Sealed - An airtight
seal.
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Insulating Glass - Comprised
of two or more pieces of glazing (glass) separated by hermetically
sealed airspace for improved thermal efficiency.
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Kickplate - 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.
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Laminating - 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.
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Low E Glass - Windows that
have been coated with a transparent, metallic layer to the glass
surface, reducing its emissivity or ability to radiate heat.
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Mulled - To join two windows
or doors together, side by side.
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NCTL Validated - National Certified
Testing Labs (NCTL) is an organization that performs standardized
tests on windows to ensure proper quality control levels.
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NFRC Rating - 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).
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Tempered Glass - Plate glass
with increased strength due to a special heat-treatment for greater
strength as a safety glass.
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Thermal Performance - A window's
ability to act as a barrier to the transfer of heat.
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Thermo-Edge Spacer - A system
where protected insulated glass creates increased temperatures
along the window's edges and therefore reduces the potential
for condensation on the glass surface.
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Transom - An operating window
unit for specific use above a door or window.
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Weatherstripping - Material
used to provide a weather-tight seal between a window/door sash
or frame.
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