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Frame construction for 170" scope screen?

2565 Views 23 Replies 3 Participants Last post by  steve71
I recently purchased an Optoma UHZ65LV PJ and enough black and white spandex to build a 170" AT scope screen.

Building a frame seems like a easy task, but in the real world wood is often warped and temp and humidly can often warp wood even if it was flat when built.

So does anyone have any advice or links to build threads documenting construction of a large scope screen.

Eventually this will be mounted to a false wall, but in the near term it will attached to a temp frame for testing/evaluation.
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I recently purchased an Optoma UHZ65LV PJ and enough black and white spandex to build a 170" AT scope screen.

Building a frame seems like a easy task, but in the real world wood is often warped and temp and humidly can often warp wood even if it was flat when built.

So does anyone have any advice or links to build threads documenting construction of a large scope screen.

Eventually this will be mounted to a false wall, but in the near term it will attached to a temp frame for testing/evaluation.
There are plenty of folks on here that have built frames out of poplar using an L shape for top and bottom pieces that prevent warping. @MississippiMan is the subject expert. Take a look through some of the recent posts regarding building screens for examples.
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I recently purchased an Optoma UHZ65LV PJ and enough black and white spandex to build a 170" AT scope screen.

Building a frame seems like a easy task, but in the real world wood is often warped and temp and humidly can often warp wood even if it was flat when built.

So does anyone have any advice or links to build threads documenting construction of a large scope screen.

Eventually this will be mounted to a false wall, but in the near term it will attached to a temp frame for testing/evaluation.
There are plenty of folks on here that have built frames out of poplar using an L shape for top and bottom pieces that prevent warping. @MississippiMan is the subject expert. Take a look through some of the recent posts regarding building screens for examples.
Here isa couple diagrams for just such a biggun'. The 156" example can be enlarged by increasing the 20" sectional lengths and all the other corresponding parts.



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Thanks guys, that helps. Is the spandex just stapled to the back of the frame - working/stretching it outwards from the center?

What about the boarder? Just some 2" thick felt?

I have Kreg pocket screws, but is it also a good idea to use glue it as well?
I didn't use any glue on mine. The pocket screws are enough. I think also if for any reason a frame modification is needed down the road, it's easier to disassemble.
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Thanks guys, that helps. Is the spandex just stapled to the back of the frame - working/stretching it outwards from the center?

What about the boarder? Just some 2" thick felt?

I have Kreg pocket screws, but is it also a good idea to use glue it as well?
Yes, pull spandex evenly starting at top center to bottom center, left side to right side is how I attached mine. I didn't use a border.
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.....and if you decide to have a border.....gawd furbud you choose Felt!. There are alternative to consider, as well as border designs that range from seudo-Zero-edge to 2"-3" Borders.


.............none of them involve the use of Felt though... 😒
.....and if you decide to have a border.....gawd furbud you choose Felt!. There are alternative to consider, as well as border designs that range from seudo-Zero-edge to 2"-3" Borders.


.............none of them involve the use of Felt though... 😒
No felt, got it! I will look up your build threads to see how you implement a border.

My spandex just arrived. It arrived folded up (I should have asked for it to be shipped on a roll!!) and FedEx delivered it to my garage door, so it's been sitting out in the rain over night. The box is a little wet but thankfully the contents is dry, however it's crinkled & creased. Guessing that doesn't matter, since it gets stretched out anyway. Maybe I should iron it out a little?

This project has been on the back burner for years. Can't believe things are finaly moving forward!
No felt, got it! I will look up your build threads to see how you implement a border.

My spandex just arrived. It arrived folded up (I should have asked for it to be shipped on a roll!!) and FedEx delivered it to my garage door, so it's been sitting out in the rain over night. The box is a little wet but thankfully the contents is dry, however it's crinkled & creased. Guessing that doesn't matter, since it gets stretched out anyway. Maybe I should iron it out a little?

This project has been on the back burner for years. Can't believe things are finaly moving forward!
You don't have to worry about the black, since it is underneath. I made the mistake of not ordering on a roll the first time around. I just spread the material out over my air hockey table for a couple of days and it seemed to relax the creases. When I installed the material, the creases disappeared, thankfully. So, just get it unfolded as soon as you can.
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BUT DO NOT IRON !!!!!!

A warm Tumble dry in the Dryer for about 10 minutes before spreading it out flat can also help.
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Thanks for the suggestions guys. I put up the fabric up on my test frame and noticed there were a bunch of pen marks repeating across the length of the screen. Thinking I'm going to have to exchange it.
Thanks for the suggestions guys. I put up the fabric up on my test frame and noticed there were a bunch of pen marks repeating across the length of the screen. Thinking I'm going to have to exchange it.
Take Photos of it and ask to send them to them. Often after viewing such they will simply replace the shipment.

But don't show themit attached to a frame or the might say the marks were cause by you.
Take Photos of it and ask to send them to them. Often after viewing such they will simply replace the shipment.

But don't show themit attached to a frame or the might say the marks were cause by you.
I sent them photos, only to receive an obnoxious email claiming, "And our record shows the fabric didn’t have any mark when we have shipped them out. "

So I called them and sorted it out, but really!!??
I sent them photos, only to receive an obnoxious email claiming, "And our record shows the fabric didn’t have any mark when we have shipped them out. "

So I called them and sorted it out, but really!!??
That really blows! Hopefully they send you new stuff on a roll this time!
I h
I sent them photos, only to receive an obnoxious email claiming, "And our record shows the fabric didn’t have any mark when we have shipped them out. "

So I called them and sorted it out, but really!!??
I hope ya got 'em sorted out.... I'd of gone "Mississippi" on 'em! Imagine the idiocy involved in making a statement that infers YOU made regularly space marks on a Fabric you need to be pristine.
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That really blows! Hopefully they send you new stuff on a roll this time!
I didn't dare ask them to ship it on a roll after the way they treated me.
I didn't dare ask them to ship it on a roll after the way they treated me.
Where did you buy it?
Where did you buy it?
Here's the pen mark. It's about 1" high and there are 13 of them.

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Here's the pen mark. It's about 1" high and there are 13 of them.
Are those marks at equal distances? Some inconsiderate individual might have used as a way to figure length of material. Wrong idea. In my upholstery days we used yellow chalk that could be blown out with air.
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