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Air Leakage – Consumers
do not want window frames that leak air. This test allows
only 0.3
cubic feet per minute of air to leak past the window. This
is a very small amount and the smallest hole can cause the
test
to fail. The air leakage allowance is set low to reduce the
possibility of introducing outside temperature and humidity
into the sunroom.
Our windows recorded less than the
allowed 0.3 cubic feet per minute
air leakage. |
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Water Infiltration – This
test requires that an amount of water equivalent to 8 inches
of rain per hour
be directed against the window. The test chamber is then put
under a vacuum to try to bring water past the window. The
test is run for 23 minutes. Water is applied to the window
every
5 minutes with a 1-minute break between rounds. If one drop
of water falls over the sill during the test, the window fails.
This is a very rigorous test procedure and is very difficult
to pass.
Not a single drop of water passed over our window sill. |
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Forced Entry – TEMO
elected to have this test run to the higher standards required
by the California
Association of Window Manufacturers. This forced-entry test
involves attempting to break open the window by applying various
external forces. This includes pulling the window away from
its latch with a force of 200 lbs and an upward force of 75lbs.
During each successive step blunt instruments are also used
to force open the window.
Our windows include two heavy-duty latches for increased
security against forced entry. |
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SASH TO GLASS CONNECTION -
This test is completed to ensure that the sash members will
not pull away from the
glass. The sash member is placed in a
jig and force is applied to one side of the sash. It is released
and the distance the sash moved is measured. If the sash moves
more than the allowed distance, the sash member fails.
Our sash recorded minimum movement away from the glass. |
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Ease of Operation – All
windows have parameters regulating the force required for
their operation. The maximum allowable force is 20 lbs.
This extreme level of force would be necessary only on a
window
that was difficult to operate.
Our windows operate with only 9 pounds of force,
allowing easy use by all family members.
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STRUCTURAL INTEGRITY - Our
windows were subjected to extreme wind loads of 140-mph (Category
4
hurricane),
a force of approximately 50 lbs per square foot.
The test is run with both positive and negative wind loads.
(As the
wind passes between buildings it can create a negative force
that can pull a window from its frame.) Our windows have
also passed Florida Product Approval, a higher standard set
for
areas exposed to hurricanes.
Our windows withstand hurricane-force winds of up to 140-
mph, a higher structural rating normally found only in commercial-grade
windows.
*TEMO is the only sunroom manufacturer that has passed this
test at these elevated testing levels.
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