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Building a Screen for a CRT Projector

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These excellent DIY screen building instructions have been provided by forum member acrawley (Andrew Crawley). Additional information on how to paint the screen to increase the gain slightly have been provided by Kal the webmaster.

Most home theater enthusiasts agree that for optimal performance, the screen used with a CRT projector should have a gain of no higher than 1.3. Below are instructions for building your own screen that should end up somewhere between 1.2-1.3 gain and cost you under $75US - considerably less than commercial screens.

Parts you'll need:

Four 8' 2x3's:  ~$8 (You could use 2x4's, but I decided they were too heavy)
Four corner brackets: ~$2  (Buy at:
Large piece of blackout drapery, 105" wide: ~$40 (Buy at:
Gaffer's tape (If you want a border): ~$15 (Buy at: 

Tools you'll need:

Mitre box  (Buy at:
Screwdrivers  (Buy at:
Staple gun (Buy at:
Staple gun staples - any size leg (Buy at:

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First thing I had to do was cut the boards according to the following diagram:

For this, I broke out my trusty mitre-box. Those of you lucky enough to have power tools at your disposal would probably be better off using them, but I figured my apartment complex (and my neighbours) wouldn't really appreciate the extra noise.

Once all the boards were cut to length, I assembled the 8' and 6' sections into a frame. I basically laid the boards out on the floor, then attached the brackets to the inside corners to hold them in place. Once all the brackets were screwed down, I drove large screws through both pieces of wood from the outside corners. (Excuse the mess, I was building this screen shortly after moving in.)

Next, I took the four 1' pieces and attached them in the corners for stability:

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