All components are warranted against defect and workmanship
for as long as you own your home.
When our soundproof inserts are installed at least 2" away from
your existing windows, a Sound Trap is created. There are
three important elements to a good Sound Trap: Mass + Air Gap +
Sufficient Non-uniform Mass - The laminated glass
we use is made from two 1/8" thick pieces of annealed glass,
held together by a flexible adhesive membrane, to form one
solid piece of glass that is slightly more than 1/4" thick.
The flexible membrane keeps the glass from vibrating with
sound waves, and helps dissipate the energy of sound waves.
The weight of the glass helps absorb and block sound.
A Good Air Gap - The 2" air gap we prefer is not a magic
number, but is a good rule-of-thumb when trying to stop
sound that humans find annoying. The bigger the gap, the
more sound waves are trapped.
A Good Seal - The seal of our soundproof window inserts
is very important because sound can act like water, seeping
through openings. Our infiltration rate is less than .01 cfm/lineal
foot, which far exceeds the
International Energy Conservation Code (IECC).
The air gap is also the insulating layer against energy loss.
Our Soundproof Window Inserts add an R2.5 to your existing
window. For example, when installed over a single-pane window
the R rating increases to 3.3, the same as a double-pane, argon
gas filled window. That is a 60% increase in energy savings per
First of all, most double pane replacement windows are designed for energy
efficiency, not for sound abatement. Remember, soundproofing requires
Mass + Air Gap + Seal. Double pane windows are made with two thin panes
of glass (very little mass), held slightly apart (insufficient gap)
and have spaces around the sashes so that they can easily slide
up/down, side-to-side or inward for cleaning (insufficient seal for
small gap is often filled with an inert gas like argon to provide
resistance to energy transfer and moisture, but gas has almost no
mass, and therefore can't help stop sound. Because of these
limitations of standard replacement windows, some manufacturers now
make soundproof replacement windows to tackle sound issues as well as
Soundproof replacement windows, sometimes called triple-pane
windows, are made with different designs and
materials than standard replacement windows. Sometimes they use laminated glass (like our soundproof inserts),
but the air gap is limited in size because the window has to fit into
the standard wall thickness. STC ratings for
soundproof replacement windows are usually 38-40. The cost is usually twice
that of our soundproof window inserts that have a 48 STC rating.
It usually takes one day or less for most residential properties.
Commercial buildings vary significantly in size. Small retail strip center suites can be done in one-to-two days.
Office installations vary from one day to a week and hotels can take up to 3 weeks.
In most instances, they are barely noticeable from the inside and can’t be seen from the outside
at all. Our interior window inserts have a very small frame
measuring slightly less than one inch. They come in standard white,
dark bronze, or can be painted to match most window frames or wall colors.
The materials we use have been in real life conditions for more than
28 years without degradation. Plus, our windows are warranted for as long as you own your home.
The warranty is transferrable when you sell your home.
Our windows are custom-made to fit most shapes and sizes.
Yes. We have two solutions for sliding-glass patio doors: our
standard window inserts, or an additional laminated glass sliding door. Our
standard magnetic windows can be removed each time the sliding-glass
patio doors are used, which, if used frequently, is inconvenient.
However, an additional laminated glass sliding door best matches the function of your existing
sliding-glass patio doors by allowing you to open them conveniently.
In most cases we have room to install
window inserts behind the existing window treatments, and keep the
window treatments inside the window opening. If necessary, we can move
the window treatments to the upper edge of the window opening. There
is usually no cost to reposition window treatments. Some exceptions
are: motorized blinds/shades; custom valences; blinds that are
embedded in the existing window's glass; etc.
Yes. Both bronze or gray are usually
It is important to note that tinted glass warms up quite a bit in
the direct sun. Although it will effectively block infrared rays (IR)
from entering your interior space, the hot surface of the glass will
still transfer heat to the interior space. Therefore, we recommend
solar screens instead of tinted glass where HOAs allow them. Installed
on the exterior of the window, solar screens block infrared rays (IR)
before they ever get past your primary window. Or, 3M makes a variety
of films for your existing windows.
Our windows are glass, so there are no special cleaning
Yes. Our warranty lasts as long as you own
your home, and is transferrable when you sell your home.
There is no limit to the size of multi-paned windows
we can handle. For one-piece 'picture windows' we can go up to
5'X10' in a single piece. If you have a very
large window that you would like to access frequently, we recommend
dividing the window insert to make it easier to handle.
Our 1/4" laminated glass
inserts reduce sound an average of 85%. The percentage based on 65dB
of outside noise, which is a maximum loudness in decibels of typical
When exterior storm windows, both the soundproof type with laminated
glass, and the standard type are installed on the outside of the
window, the seal MUST be penetrated so that moisture can escape.
Typically holes call "weep holes" are drilled in the bottom of the
storm window frame to allow moisture to flow out. Otherwise, the
inevitable moisture build-up may damage the exterior of the window. Of
course, a loose seal will let sound in, significantly reducing the
effectiveness of exterior storm windows.
Traditional exterior storm windows are often quite noticeable from
the outside. Most Home Owners' Associations in Texas will not allow
exterior storm windows for aesthetic reasons.
Laminated glass is made from two 1/8" thick pieces of annealed
glass, held together by a flexible adhesive membrane, to form one
solid piece of glass that is 1/4" thick. The membrane keeps the
glass from vibrating with sound waves, and helps dissipate the
energy of sound waves. For example, automotive windshields are made
of laminated glass with tinting added. Laminated glass has an STC of
~35 just by itself. When installed in conjunction with your window,
the STC can be up to 48.
Laminated glass is NOT the same as
double-pane glass used in standard windows. Double-pane glass is
two pieces of 1/8" glass held apart (not touching as with
laminated glass) by a small gap filled with inert gas.
Double-pane glass is designed for energy efficiency. The small
space between the panes filled with gas acts as an insulating
barrier to energy transfer. But, the panes of glass can easily
vibrate with sound waves because there is no flexible membrane
to eliminate vibration . And, the gap between the panes is
unfortunately too small to act as an effective Sound Trap. Many
customers find out the hard way that double-pane is NOT the same
as laminated glass, and are very frustrated when their
double-pane replacement windows do very little to help with
their sound problem. The STC of single-panes windows is ~23.
Yet, the STC of double-panes is only ~27 - very little
Our windows have been tested by independent laboratories on
several aspects of technical performance. The
results are below:
U-value of .48 in combination with single pane window, as
determined by John M. Yellott Laboratories, Arizona, in tests performed
August 5, 1982.
Heat loss reduction of 412.5 BTU/hr/sg ft (from 687.0 to 274.5) when
applied to single pane window. 60% net reduction of heat transfer. As
determined by Architectural Testing Inc., York, PA, in tests performed
January.Less than .01 cfm/lineal foot crack
space, compared to DOE standard for storm windows of 2.0. Tested with 25
mph wind equivalent at The Associated Laboratories , Dallas, using ASTM
E-283 test method. Similar results at the John M. Yellott Laboratories,
rating of a single pane window is STC 22-25;
a double pane window is STC 27-32. Our soundproof window inserts
installed with a single pane
window obtains an STC rating of 40-44.
A soundproof insert installed with a double-paned window obtains an STC of 48-50.1/4" laminated glass - UV between 300 and 355 reduced by 99%; 360 and 375 reduced by
12.1.2 lb/lin. ft, commercial grade
.9 lb/lin. ft, residential grade
Sound Meter Apps are very helpful to
determine differences in noise contribution of your walls and windows.
Although, they are not as accurate as dedicated sound meters in terms of
decibels, they will give you direct feedback regarding where the biggest
sound problems are. Here's a link to a study by the CDC of sound
CDC-Evaluation of smartphone sound measurement apps