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  • 9691 Church Way Burke, VA, 22015
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GLOSSARY

Everest Home Improvement has every available style of replacement window for you including double
hung, slider, casement, awning, picture, hopper and shaped windows.Here are a few terms to clarify
some of the descriptions on this webpage:

Awning Window

A window with hinges on top that swings outward with a Roto-X Drive crank.

Bow Window

A configuration of windows in 3, 4, or 5-Lites positioned at angles which project a semi-circle or arched look.

Grids

Decorative horizontal and/or vertical bars installed between the glass panes to create the traditional appearance of a glass divided.

Picture Window

A (usually large) window that has no movable sash.

Solar Heat Gain Coefficient

The percentage of heat gained from both direct sunlight and absorbed heat. The smaller the number, the greater the ability to reduce heat gain from the sun.

Argon Gas

An odorless, colorless, and non-toxic gas which is six times denser than air that is placed between the glass panes to reduce temperature transfer.

Casement Window

A window hinged on the side that opens outward to the left or right with a Roto-X Drive crank.

Hopper Window *

A window hinged on the bottom of the sash that opens inward from the top down.

Sash

The part of the window that contains the glass.

U-value for Glass

Measure of the amount of heat transferred through the Glass, the lower the U-value, the better the insulating quality – keeps heat in a house in the winter.

Bay Window

A configuration of 3-lites positioned at angles which project from the exterior wall of the home.

Double Hung Window

A window with two operational sashes that slide vertically.

Low E Glass

Glass with a transparent metallic oxide coating applied onto or into a glass surface that the U-value and overall energy efficiency of the glass.

Slider Window

A window with two operational sashes that slide horizontally.

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