Need Advice - Best DIY for Pany900 108+ Screen

Hi guys. I have done my reading and I am still confused as to which option is best for me. I have the Pany 900 and enough wall space for up to 130", although I won't go that big. Besides, according to the calculator, I would need a screen gain of 1.5:1 in order to have enough brightness. I have been projecting 106" onto a regular dining room wall for the past year with success but ambient light viewing is weak.

As as I see, given the size I hope to achieve, my options are as follows:

1- Sintra board cut from a 5 x 10 to 60" x 107" (122" diagonal)

2- Wilson art laminate board (Designer White) cut to same size

3- Build a wooden frame and stretch blackout cloth

Option #1 would certain cost more but would it give me additional options for painting, which might yield the 1.3:1 gain I would need? I believe the cost they quoted me from a local sign supply shop, with delivery and cut to size above was around $90. Would love suggestions on a simple paint solution if I go the Sintra route at that size.

While I am not an expert woodworker, I'm sure I could construct a basic frame and stretch blackout cloth to size, although it appears to only come in smaller sizes than I need.

Still researching Wilson Art some more and I am going to look for a dealer locally (San Jose). Would appreciate thoughts on best match for the Pany 900 and potential paint options.

Thanks!

Can I pain FnEasy on Sintra board? The approach certainly looks simple enough plus inexpensive.

Thanks. Unfortunately I can't touch the wall - it's a rental

I am very open to using your mix and painting a gray screen onto Sintra, since it is the least expensive substrate I have found. Santa Clara Lumber wanted $148 plus cut and delivery for Wilsonart DW board at 5x10. I can get Sintra under $100 and it is less likely to chip I think I am looking realistically at 120" final viewing diagonal.

So given my ambient lighting issues, how would this work:

1- 59" x 105" Sintra board (cut to size by the sign supply shop)
2- two coats of flat white primer
3- two coats of Behr Sterling
4- after 12 hrs or so, apply one or two coats of Behr Matte Polyurethane #780

Thanks for all your help.

The FnEasy guide mentions that Sterling is a more "color balanced" gray then Wispy Gray. I am trying to keep paint mixing to a minimum, but I am open to suggestions!

So here is my ultra-n00b question... are those mixes made for you by HD or something you make yourself? It looks a bit like greek to me


EDIT: nevermind, I found my answer. Thanks. From your samples it looks like FnEasy-04 is a good target to start with.