so ive been reading this thread for a few weeks. i got a small portable projector for christmas. Its an SPro2 led projector with a 5 inch screen with android built in. I have Kodi on every piece of tech i own and figured this lil guy would be perfect for on the go stuff. I even got a lil portable table top roll out white screen to go with it. THEN i found this thread! This lil projector is only capable of 200 lumens max, and all the walls in my house are a Tan'ish color. When i first projected an image to this tan colored wall, both myself and the wife were like WOW that looks pretty good! So we had been doing that for about a month.
After finding this thread a couple weeks ago i was like HEY, i can do this! So i started pricing stuff out on amazon, lowes, home depot, ace true value and every other hardware store that came to mind. I figure i need to test before going with what i will put up as a final piece, so starting from NO materials at all i spent around $320 to get going I bought everything from 4 28x48 mdf whiteboards, 2 quarts of flat white, a gallon of RL metallic (mica), 1 quart of grey tabby(4 8oz testers), 1 gallon of universal grey, and 1 gallon of granite grey. i also had to by rollers and roller covers. disposable drop cloths, paint mixer cups, stir sticks, disposable paint liners, frog tape ect ect ect. i bought enough to be able to do 8 test and starting from nothing. so thats why it cost so much. im fine with that.
I initially did flat white v the unpainted shine of the whiteboard. the first thing we noticed is wow how this tan wall is stealing the color lol. a week later i did flat white v 3:1 metallic/grey tabby. probably wasnt a good idea comparing it to flat white on the same board, but overall it was too dark. it turned the whites to grey, and the sparklies were very annoying. So i did some more reading up and thinking for my next test. I decided to do 2:1 granite grey/metallic v 2:1 metallic/granite grey. i think i have found my winner.
The Granite grey is noticably lighter than the grey tabby, and i see NO sparklies on this board at all. i put all the boards up together to compare the white levels, and the grey tabby turned the white grey straight up. The white was white of course, but the 2:1 mixes fell to a very respectable white level with the 2:1 metallic being a little whiter than the 2:1 granite grey. at nite in pitch black they all look great. with the lights on theres almost no picture on the flat white(as expected). With the lights on i get a very watchable picture from the granite grey, since the 2:1 granite is a half shade darker than the 2:1 metallic it gives me a deeper black and the color pops better and it seems to fight the light just a tiny bit better.
I spent all day yesterday watching this 2:1 board. lights on its a watchable picture, lights off it looks awesome. I put it up over my window in the garage, so during the day the light comes thru the opening from behind and it makes it look like one of those screens with the led lights behind them. This coupled with the lights off actually made the picture contrast a lot better, the black seemed blacker. So with that being said, i will add the led light to my final build.
In thie end.....long winded first post lol......i will go with the 2:1 granite grey/metallic mix with a piece of 4x8 mdf whiteboard with led ambiant light backing cut to size. Oh and i will roll on, i used to be a painter by profession so im not bad with a roller
and yes STAY FAR AWAY FROM FOAM ROLLERS!!! lol get the shortest nap u can find, and on your finishing strokes make sure the open end is trailing the roller end and u should come out with a smooth wall with no roll marks. Ill post some pics from my phone in a lil bit