Window Fitters Guide to Window Installation 
138              ©2022 AWDI, LLC Do not reproduce without permission
Windows and doors have always been center to the separation 
of the outside environment and the inside living area, but the 
benefits have usually been limited to cold, heat, sun, rain and
other weather related variables.
Exterior noise is becoming more of a focus when improving 
homes because noise pollution becomes more of a problem 
as areas become built up and traffic and other transportation 
caused noise is being identified as harmful.
The trend began from two sources. One has been the need to
help homes built around airports to insulate the living areas
from the noise of big jets taking off and landing. The other has
been the unexpected benefit of improving glass technologies
either by multiple panes for energy efficiency or lamination for
protection against impact breakage.
Sound travels through windows
and doors via air infiltration
(think of an open window ver-
sus a closed one) through the
unit and due to vibrations in
the window's glazing and frame
components. To reduce sound
transmission, improvements
can be made to include weather
stripping to reduce air infiltra-
tion, using multiple panes of
glass and other materials of
varying thickness, and even
adding a storm window (inside
or out) to create an additional
barrier.
So, interrupting the sound path
by interrupting air flow, or 
vibration path or decreasing
sympathetic vibration by 
increasing the space between
surfaces or making touching
surfaces of unequal thickness
are the most effective methods.
Singularly they can make a dif-
ference. Combining the options
in window and door systems
can make the noisiest outside
environments quiet on the
inside of the building.
MONOLITHIC GLASS
LAMINATED GLASS
ASSYEMTRICAL GLASS 
LAMINATED INSULATING GLASS
INSULATING GLASS & SEPARATE PANEL
TRIPLE LITE INSULATING GLASS
TYPES OF SOUND CONTROL GLAZING
Installing Sound 
Control Windows
SAMPLE MANUAL

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