Will sunlight eat my screen (when in "living room mode") - AVS Forum
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post #1 of 8 Old 03-11-2001, 02:09 PM - Thread Starter
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But seriously folks!

When I'm not watching video, the afternoon sun blazes in and hits my screen. It gets about three hours of afternoon exposure a day. Will prolonged exposure to sunlight eat my screen like it does everything else out here in the desert?

I'm going to reglaze the window with low-e glass (which blocks about 75% of the UV) but do I need more? I'm planning on getting a fixed Stewart Grayhawk.

A side note, for daytime watching I made up some fabric covered foam board panels that friction fit into the windows to block all the light.

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post #2 of 8 Old 03-11-2001, 02:42 PM
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I wouldn't want to try it over an extended period of time. Most screens are made of vinyl or similar polymers. I wouldn't be surprised if the white yellows given enough exposure.

I don't know if any of the manufacturers place UV blocks over the screens. A good question for Stewart or DaLite.

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post #3 of 8 Old 03-13-2001, 05:25 PM
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I don't think yellowing will be a problem for a Stewart. If you note that the unit is going in front of a window, Stewart will manufacture the screen from three layers of material, the middle layer being black. I understand that they do this to increase the opacity, but it should minimize the discoloration of the viewing surface. There are other potential problems. Most of these projection screens change in size quite a bit with temperature extremes. Further, I have seen screens that became tacky to the touch (and picked up quite a bit of dirt)from off gassing of the vinyl material (not a Stewart BTW). You best bet is to contact the various manufacturers directly, describe the setup, and get their input.

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post #4 of 8 Old 03-14-2001, 06:42 AM - Thread Starter
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I'm expecting a post from Don Stewart since I am planning on installing a grayhawk. Guess he's been busy lately.

Just to clarify, the screen is not in front of the window, the sunlight strikes the viewing surface during the day, not the back of the screen.

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post #5 of 8 Old 03-27-2001, 02:12 PM - Thread Starter
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Shamelessly bumping this to the top in hopes that Don Stewart will see it.

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post #6 of 8 Old 03-28-2001, 10:34 PM
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When I Peter introduced me to Don Stewart at the CES I distincly remember him saying that they did use UV inhibitors in their paint, if you think about it, it only makes sense. I don't think the inhibitors are really that expensive, only a really cheap screen would get any appreciable cost savings from leaving out the inhibitors...

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post #7 of 8 Old 04-07-2001, 06:48 PM
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check out the following thread with response from Don Stewart:
http://www.thebigpicturedvd.com/dcfo...mID29/61.shtml

-oliver
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post #8 of 8 Old 04-09-2001, 03:01 PM - Thread Starter
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Thanks! That just saved me a bundle on a retractable screen.

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