AVS Forum Addicted Member
Join Date: Jun 2001
Location: NW Houston, TX
Mentioned: 30 Post(s)
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As Brad said, test it. I used a roll of photographer's backdrop paper for a temporary screen - which matched the look of a 1.0-1.3 gain screen very well - to check my presumed screen size before ordering the screen itself. The backdrop paper may be easier to position and flatten than fabric, but either will do more than good enough to judge the sizes.
I was ordering a built-to-order masking system, but even that lead time was only a few weeks, so it's not like the testing has a serious impact on your project timeline. I did the testing as soon as the projector arrived, but before getting it mounted. Setting it on a temporary stand to get both screen size and throw distance verification gave me quite a bit of piece of mind... Decided on the screen size, ordered it, then worked on mounting the projector - aiming for the paper screen still tacked on the wall...
Rock Creek Theater -- CIH, Panamorph, Martin Logan, SVS PB2000, Carada Masquerade, Grafik Eye, Bar table, Green Glue, JVC RS50
NOTE: If you find dead photo links in any of my posts, please PM me and I will fix it.