Solar Screen . . . Technical Info
Enviro Solar Screens block the sun's heat and glare, relecting, absorbing, and dissipating the heat before it strikes the window. This chart shows a window with Suntex installed. In midsummer as much as 230 BTU's can fall on each unprotected square foot of glass. With SunTex installed, up to 90% of the sun's infred and ultraviolet transmissions are reflected, absorbed, and dissipated before it reaches the window.
"The Space Shuttle Thermal Protection System is a group of approaches, not just one technique to protect the orbiter
Enviro Solar Screens are a "building envelope" designed to insulate the glass and window frame from the outside temperatures. This is recognized by the U. S. Department of Energy states that "in hot climates, the primary strategy is to control heat gain by keeping solar energy from entering the interior space while allowing for good visibile lighttransmittance for viewing and daylighting. Solar Screens that intercept solar radiation ... that prevent infrared and ultraviolet transmission while allowing good visibility, are useful retrofits for hot climates." In colder climates, the focus shifts to reducing heat loss. The U.S. Department of Energy states that "vinyl" is a "low conductivity"
to protect the orbiter and its cargo from temperature extremes. Depending on the material and its location, reflection, absorption, insulation, and dissipation are all used to keep the very-hot and very-cold temperatures separated and from damaging or destroying the Shuttle's precious cargo. "
Courtesy of NASA's Aeronautics Mission Directorate
Published by NASAexplores: May 31, 2001
SunTex Solar Screen is made of strong vinyl-coated polyester fabric, and is pet resistent. SunTex is mildew and fade resistant. In order to maintain SunTex's pristine aethetic look, only mild cleaning with soap and water is recommended.
material. Therefore, it is not conducive to the cold. In other words, it will not get cold and therefore will not allow cold to pass by way of it. Hence, your window doesn't get 75-90% of the cold/hot air from the outside, nor will it allow the heat/cool from inside the home to pass through it to the outside. Your window stays undisturbned by the temperature outside, as the Solar Screens create a barrier to the weather.
Some States utilities companies, such as Nevada Power, clearly states that in order to reduce energy consumption you must prevent the "glass and window frame" from being "exposed to the sun". You will likely find support for installation of Solar Screens to reduce energy consumption in your State's Office of Energy, such as is the case in Nevada.
Solar Screens vs. Interior Window Treatments
Solar Screens Interior Blinds Window Tinting Interior Screens
Daytime Privacy ● ● ● ●
Easy to Clean ● ●
Retractable ● ●
Blocks UV Rays ● ● ● ●
Insect Screen ●
Wind Resistant ●
Invisible from Inside ● ●
Exterior Mounted ●
Saves Energy ●
Suntex 80 Solar Screen Technical Information
COLOR
Brown
Black
Grey
Stucco Beige
TS
6
7
11
21
19
RS
16
15
51
43
46
AS
78
78
38
36
36
Solar Optical
Properties
Shading Coefficient w/
---------- Single ---------- ---------- Insulating ----------
1/8 CL
0.13
0.14
0.12
0.18
0.17
1/4 CL
0.13
0.14
0.12
0.18
0.17
1/4 HA
0.13
0.14
0.12
0.19
0.17
1/2 CL
0.09
0.09
0.07
0.15
0.11
1 CL
0.09
0.09
0.07
0.13
0.11
1 HA
0.09
0.09
0.07
0.14
0.11
Mesh Weight 13.5 (oz./yd )
Fabric Thickness (in.): .040
2
TS = Solar Transmittance
RS = Solar Reflectance
HA = Heat Absorbing Glass
AS = Solar Absorbance
CL = Clear Glass
The solar optical properties are used to calculate the shading coefficiency. The shading coefficiency represents the percentage of solar heat gain that is transmitted to the interior through the glass and shading system. Darker colors provide max. glare reduction and visibility.
Openness Factor: Approx. 25%
UV Blockage: Approx. 75%
Stretch (%): 1.1
Stiffness (Mg.): 500
Suntex 90 Solar Screen Technical Information
COLOR
Brown
Black
Grey
Stucco Beige
TS
2
2
4
12
9
RS
14
13
34
62
51
AS
84
85
62
26
40
Solar Optical
Properties
Shading Coefficient w/
---------- Single ---------- ---------- Insulating ----------
1/8 CL
0.11
0.11
0.10
0.11
0.11
1/4 CL
0.11
0.11
0.10
0.11
0.11
1/4 HA
0.11
0.11
0.10
0.11
0.11
1/2 CL
0.08
0.08
0.07
0.07
0.07
1 CL
0.08
0.08
0.07
0.07
0.07
1 HA
0.08
0.08
0.07
0.07
0.07
Mesh Weight 17.2 (oz./yd )
Fabric Thickness (in.): .039
2
Openness Factor: Approx. 10%
UV Blockage: Approx. 90%
Stretch (%): 4.0
Stiffness (Mg.): 400
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Enviro Screens and Shutters, Inc. and Enviro Shades Manufacturing, Inc., specialize in security shutters, rolling shutters, rolling shades, and solar screens for residential and commercial Colorado and Nevada customers. We are family owned and operated with over 36 years of Colorado and Nevada quality customer care. We can handle any size residential and commercial job. For more information and a free estimate, call Enviro Screens and Shutters at 303-794-2072 or 800-221-4613. (read more)
