Modern Window & Doors, Inc. -- 9600 Standard and 9600H Hurricane Series Windows

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Performance Testing of 9600 and 9600H Windows

Air Resistance
Airtightness is measured by applying the equivalent of a steady 25 mph wind to the outside of the window. Interior air filtration is then measured in cubic feet per minute per foot of window joint.

	Volume of Infiltration	Window Type
Modern Windows	.010 cu. ft./min./joint ft.	Fixed, Casement & Awning Windows
Modern Windows	.086 cu. ft./min./joint ft.	Sliding & Hung Windows

Average Residential Windows	.100 cu. ft./min./joint ft	High End
	.300 cu. ft./min./joint ft.	Mid-range
	.500 cu. ft./min./joint ft.	Low End

Wind Resistance
This test measures the wind pressure a 72" x 36" window can withstand without suffering breakage (structural shattering) or permanent damage (structural deformation).

	Wind Velocity	Grade (USA)	Window Type
Modern Windows	220 MPH	120	Fixed, Casement & Awning Windows
Modern Windows	160 MPH	65	Sliding & Hung Windows

Average Residential Windows	160 MPH	40	High End
	130 MPH	30	Mid-range
	110 MPH	20	Low End

Water Resistance
Watertightness is measured by projecting the equivalent of five U.S. gallons of water per hour per square foot of window area, the equivalent of eight inches of rain in one hour. Air pressure is increased to simulate winds varying between 35 and 76 mph. Ratings indicate the pressure attained without any interior water leakage.

	Wind Pressure	Grade (USA)	Window Type
Modern Windows	15 psf	80	Fixed, Casement & Awning Windows
Modern Windows	9 psf	65	Sliding & Hung Windows

Average Residential Windows	6.3 psf	40	High End
	4.2 psf	30	Mid-range
	3.0 psf	20	Low End

Forced Entry

This test reproduces the efforts of a well-equipped individual attempting to to force entry. This test is conducted in three phases. First, testers try to force open the window using tools like a knife blade, a screwdriver, and wire. They then attach a cable to strategic points on the window and apply increasing loads. If the window does not give, they use tools again in a third attempt.

Windows rated F2 have successfully passed the test at level 10. Modern Series 9500/9600 Windows are rated F2, level 40.

Load Orientation
A	Parallel to the window from the handle
B	Perpendicular to the window from the handle, first by pulling then pushing
C	Parallel to the window at center of the sash, from the bottom upward
D	Perpendicular to the window where sashes meet, toward the interior

	Rating Level Level indicates the initial load applied to the cables	Window Type
Modern Windows	40 = 300 lbs	Fixed, Casement & Awning Windows
Modern Windows	40 = 300 lbs	Sliding & Hung Windows

Average Residential Windows	30 = 250 lbs	High End
	20 = 200 lbs	Mid-range
	10 = 150 lbs	Low End