Air chambers - Small honeycomb spaced within the sash and frame
extrusions which help to insulate andstrengthen the window.
Argon - A gas that is heavier than air used to fill the dead
airspace of an insulated glass unit-Argon is a safe,colorless,
odorless, tasteless, non-toxic gas which is six times more dense
than air. Argon provides a significant increase in the
insulating value of a glass unit as well as sound insulation.
Awning Window - A window that is hinged at the top, and cranks
from the bottom, to open out on a horizontal (outward and
upward) 45 Degree swing. Balance (spiral type, coil type) - Used
to tension the sash in the desired position. A balance allows
the sash to operate up and down. Balance Coil Case - Housing for
coil balance of constant force type. Balance Cover - A cover to
improve site lines by covering operating balance. Balance Shoe -
Attached to the bottom of balance as a receptacle for the tilt
pin to hold the sash and frame together which allows tilting.
Balance Tube/or Sleeve - A