Hi there. I am going to paint a projector screen very soon. Very confused with lots of videos showing different formulas. It will be so kind of you if you could explain the function of each material. what is purpose of black paint and polyurethane. I have looked at videos which use just black paint with metallic paint. Some have used just dark metallic paint. Kindly guide.
Morning. I had great success with this, but a couple of observations and questions: 1) Using just black in this recipe made it very dark in these proportions, very black (too black for my projector and room). So I used 50% black 50% eggshell off-white emulsion for the paint content and got a great mid-grey result that dramatically helped the blacks and contrast in the projected image compared to a white wall. 2) Although I too great care in mixing the mica into the gel first, and then gradually the varnish, then the paint, to ensure it was a smooth and even mix, I still got a streaking result despite using a foam roller and crossing the rolled paint as in your video, smoothing the surface and working quickly while wet. How to avoid this? It's not visible in daylight, only when the projected image is on the wall, and dark/light areas of the painting are visible. 3) Before painting, I sanded this very flat plastered wall with 240 grit paper. I found that sanding again on the final grey painted layer using 240 grit I was able to reduce the streakiness somewhat, but it's still distracting when the image is light and there is camera movement; the wall surface becomes quite distracting. Incidentally, using anything finer than 240 sandpaper produce too smooth a result and reflects the image; avoid. 4) Sanding greatly reduces the visible flecks of mica powder in the projected image. I don't mind that, as I found the mica (while pretty and atmospheric) a little distracting if too visible. So, any suggestions on how to apply this paint again to get a really even result without visible streakiness? Thanks again. Generally, this is a great simple upgrade to a home cinema where a screen isn't possible.
Prelude: this was intended to help folks who wanted to play around. That being said, there are no real limits on color and I agree, I would stay awY from pure black. But folks had been requesting help with black mixes. You may want to add 1/4 part water to your overall mix to help with the streaking. Also back in the day when I was working with paint, I would let the mixture sit for a bit ND stir through again, because the mica would form little spheres that wouldn't absorb the liquid straight away. If it gets a little glossy for you, try adding in, say a tablespoon of talc mixed with a quarter tablespoon of warm water at a time until it wrangles it in. Hope that helps!
@@partaydiyprojectionscreens1452 thanks so much. I’ll try both those ideas if I attempt a couple of more costs. However, some developments: ironically, the day after finishing the paint, my projector failed! Colour wheel or lamp gone, Optoma couldn’t say. It’s six-year-old 1080p projector that is worth less than the cost to repair, and which I had intended to replace next year, so I simply brought that forward and will sell the old for parts. With a new projector (Epson TW7100) with more lumens, higher resolution and better contrast ratio, the streamlined is much less noticeable, and the mica is a little more present. The blacks are absolute killer now, almost too much in HDR streaming. Altogether a superb result, so much so that I won’t bother trying to improve. It looks wonderful and only in watching ski racing (fast camera movement across white snow) is the wall surface noticeable. Sharing all this in case it’s helpful to others. What I saved in not purchasing a (white) screen or in more expensive paint, I have been able to sink into a better projector that will last me five or even ten years. Very happy. Thanks again for this brilliant contribution to TH-cam. Happy holidays.
It was an acrylic body gel from ho by lobby. It just needs to be a clear version. Since this, I released an inexpensive, very popular black coating if you are interested. See one of my latest vids for Sirius C (that is the product).
Thanks for this mix, I'm going to give this a try but I'm going to go more grey, my question is will this mix work on a motorised screen? it will be sprayed on by a friend who is a professional car sprayer in a spray booth who works in a car body shop. Any advice would be much appreciated
It should. I have used paints on a variety of screens (paint is actually heavier) without issue....just make sure none gets in the housing. Definitely recommend going with a darker gray as opposed to black.
Thanks for the video very helpful I own a gray projector screen but because it's got glass in the paint I'm getting a sparkly hotspot in the top centre with my Acer predator. I was just about to order a new matt white 1.0 gain but after seeing this video I ordered some mica from Amazon so going give this a try...
I want a professional screen... I am running a Epson Pro EX9200 at 3200 lumens. What would you suggest? Needing options as we are getting ready to move our projector to a new wall soon.
Mabe you can have the same defect using a dark grey tone, the second black looks fine but as you sed if you woch by an angle you can not see the image I think if you use a dark grey tone with a little bit of mate it will work and as you sed adjusting the brightness yi"ll get the best image so yi"ll will enjoy enithing you put and your friiends to ():-) thank"s for the tip ();-) greeting from Guadalajara Jalisco Mexico ();-)
Thank you so much for this great instructions! I am going to try this out and save myself couple o hundred dollars for my lill home cinema! I will try to make a grey wall instead of the black.
You say that this would work with both long throw and standard short throw projectors but not UST projectors. However not all "standard short throw" projectors are designed the same. Mine is exactly 4 ft away from the screen to project a 110" image. Others might be more like 6 ft away for the same size image so I'm just curious. Do you think this mix would still work well with the projector that close to the screen? Also the recipe calls for either white or silver mica but there must be a difference depending on which one is used. Would one be preferred over the other? Any of the commercial ALR screens I've ever seen definitely appear to have some sort of silver metallic in them. However I would expect that to be more prone to hotspotting.
This is a pretty old vid, so we only leave this up for folks who want to play around with creating their own mix. It would work with "standard" short throws (standard referencing general category as even 4 feet away is a much deeper throw angle than even older UST projectors), but would require some tailoring.
Use an exterior black flat and you should be good. If you will have it in long periods of heavy sun exposure, see if your paint store has it in "colorfast" for UV protection as some cheap paints may gray out over time.
Currently using a gray wall, which to me looks pretty dang good. Going to try this out and see if i can get better black levels. I guessed i missed it but how do you "dry the mixture up" for increased viewing angle? Thank you.
Honestly, you may want to start with a darker grey rather than black. You would matte it. Try adding a tablespoon of corn starch at a time until you get it balanced. Will drop the front brightness, but open the viewing angle. I would start with a matte dark gray.
Also thank you for posting the video. I’d like to setup a portable screen to use outside for movie night and was really considering some of the online “ALR” coatings to make it so we can start watching earlier. I have a white spandex screen, but it’s a waste until pretty much full dark
Does this work with better with higher lum projector? Also I have a piece of drywall for a test piece before I paint a wall, will the drywall work well for testing? Thx.
Depends upon the mixture....the mixture as demo'd should work with 1500+. If you dry the mixture up to increase viewing angle, you'll want to have 2500+.
Hi, at 4000 lumens, given the size of the screen, I would stick to Vega. 180 inch on Sirius C would require along the lines of 6000 lumens to be beautiful. Our website is in the description and feel free to reach out to us at partayav@gmail.com.
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Hi there. I am going to paint a projector screen very soon. Very confused with lots of videos showing different formulas. It will be so kind of you if you could explain the function of each material. what is purpose of black paint and polyurethane. I have looked at videos which use just black paint with metallic paint. Some have used just dark metallic paint. Kindly guide.
I'll do a walk through of the product lines, recommendations by environment type and costs. I'll try to see if I can do it this Sunday.
Morning. I had great success with this, but a couple of observations and questions:
1) Using just black in this recipe made it very dark in these proportions, very black (too black for my projector and room). So I used 50% black 50% eggshell off-white emulsion for the paint content and got a great mid-grey result that dramatically helped the blacks and contrast in the projected image compared to a white wall.
2) Although I too great care in mixing the mica into the gel first, and then gradually the varnish, then the paint, to ensure it was a smooth and even mix, I still got a streaking result despite using a foam roller and crossing the rolled paint as in your video, smoothing the surface and working quickly while wet. How to avoid this? It's not visible in daylight, only when the projected image is on the wall, and dark/light areas of the painting are visible.
3) Before painting, I sanded this very flat plastered wall with 240 grit paper. I found that sanding again on the final grey painted layer using 240 grit I was able to reduce the streakiness somewhat, but it's still distracting when the image is light and there is camera movement; the wall surface becomes quite distracting. Incidentally, using anything finer than 240 sandpaper produce too smooth a result and reflects the image; avoid.
4) Sanding greatly reduces the visible flecks of mica powder in the projected image. I don't mind that, as I found the mica (while pretty and atmospheric) a little distracting if too visible.
So, any suggestions on how to apply this paint again to get a really even result without visible streakiness? Thanks again. Generally, this is a great simple upgrade to a home cinema where a screen isn't possible.
Prelude: this was intended to help folks who wanted to play around.
That being said, there are no real limits on color and I agree, I would stay awY from pure black. But folks had been requesting help with black mixes. You may want to add 1/4 part water to your overall mix to help with the streaking. Also back in the day when I was working with paint, I would let the mixture sit for a bit ND stir through again, because the mica would form little spheres that wouldn't absorb the liquid straight away. If it gets a little glossy for you, try adding in, say a tablespoon of talc mixed with a quarter tablespoon of warm water at a time until it wrangles it in.
Hope that helps!
@@partaydiyprojectionscreens1452 thanks so much. I’ll try both those ideas if I attempt a couple of more costs. However, some developments: ironically, the day after finishing the paint, my projector failed! Colour wheel or lamp gone, Optoma couldn’t say. It’s six-year-old 1080p projector that is worth less than the cost to repair, and which I had intended to replace next year, so I simply brought that forward and will sell the old for parts. With a new projector (Epson TW7100) with more lumens, higher resolution and better contrast ratio, the streamlined is much less noticeable, and the mica is a little more present. The blacks are absolute killer now, almost too much in HDR streaming. Altogether a superb result, so much so that I won’t bother trying to improve. It looks wonderful and only in watching ski racing (fast camera movement across white snow) is the wall surface noticeable. Sharing all this in case it’s helpful to others. What I saved in not purchasing a (white) screen or in more expensive paint, I have been able to sink into a better projector that will last me five or even ten years. Very happy. Thanks again for this brilliant contribution to TH-cam. Happy holidays.
Again, typos: ‘coats’ not ‘costs’ and ‘streaking’ not ‘streamlined’
A breath of fresh air I have been looking for weeks on a screen, Paint, Material just no way to know now a direction Great Info Thanks,
Fantastic....if you run into any questions, feel free to reach out.
Looks very nice. Can you kindly specify what type of or brand of body gel you have used. Thank You
It was an acrylic body gel from ho by lobby. It just needs to be a clear version. Since this, I released an inexpensive, very popular black coating if you are interested. See one of my latest vids for Sirius C (that is the product).
Thanks for this mix, I'm going to give this a try but I'm going to go more grey, my question is will this mix work on a motorised screen? it will be sprayed on by a friend who is a professional car sprayer in a spray booth who works in a car body shop. Any advice would be much appreciated
It should. I have used paints on a variety of screens (paint is actually heavier) without issue....just make sure none gets in the housing. Definitely recommend going with a darker gray as opposed to black.
@@partaydiyprojectionscreens1452 Brilliant, thanks for your reply, I'll give it a go.
Thanks for the video very helpful I own a gray projector screen but because it's got glass in the paint I'm getting a sparkly hotspot in the top centre with my Acer predator. I was just about to order a new matt white 1.0 gain but after seeing this video I ordered some mica from Amazon so going give this a try...
I want a professional screen... I am running a Epson Pro EX9200 at 3200 lumens. What would you suggest? Needing options as we are getting ready to move our projector to a new wall soon.
Mabe you can have the same defect using a dark grey tone, the second black looks fine but as you sed if you woch by an angle you can not see the image I think if you use a dark grey tone with a little bit of mate it will work and as you sed adjusting the brightness yi"ll get the best image so yi"ll will enjoy enithing you put and your friiends to ():-) thank"s for the tip ();-) greeting from Guadalajara Jalisco Mexico ();-)
Greetings and cheers!
Thank you so much for this great instructions! I am going to try this out and save myself couple o hundred dollars for my lill home cinema! I will try to make a grey wall instead of the black.
You say that this would work with both long throw and standard short throw projectors but not UST projectors. However not all "standard short throw" projectors are designed the same. Mine is exactly 4 ft away from the screen to project a 110" image. Others might be more like 6 ft away for the same size image so I'm just curious. Do you think this mix would still work well with the projector that close to the screen?
Also the recipe calls for either white or silver mica but there must be a difference depending on which one is used. Would one be preferred over the other? Any of the commercial ALR screens I've ever seen definitely appear to have some sort of silver metallic in them. However I would expect that to be more prone to hotspotting.
This is a pretty old vid, so we only leave this up for folks who want to play around with creating their own mix. It would work with "standard" short throws (standard referencing general category as even 4 feet away is a much deeper throw angle than even older UST projectors), but would require some tailoring.
Good day sir! Does this paint work well outdoors? Is it weather/rain proof?
Use an exterior black flat and you should be good. If you will have it in long periods of heavy sun exposure, see if your paint store has it in "colorfast" for UV protection as some cheap paints may gray out over time.
Currently using a gray wall, which to me looks pretty dang good. Going to try this out and see if i can get better black levels. I guessed i missed it but how do you "dry the mixture up" for increased viewing angle? Thank you.
Honestly, you may want to start with a darker grey rather than black. You would matte it. Try adding a tablespoon of corn starch at a time until you get it balanced. Will drop the front brightness, but open the viewing angle. I would start with a matte dark gray.
Really nice job that really deserves flattery
Hi, do you think i should spray this mixture? With a little bit of thinning then ofc. Would it be preferable?
Yes....possibly a 1/4 cup of water to each cup of mixture.
Can you clarify what you used for the “body gel”? Everything else is pretty self explanatory
Also thank you for posting the video. I’d like to setup a portable screen to use outside for movie night and was really considering some of the online “ALR” coatings to make it so we can start watching earlier. I have a white spandex screen, but it’s a waste until pretty much full dark
Hi, does the black paint has to be satin or can it be Matt black?
Preferably matte. Satin will increase the gain, but will spot.
Does this work with better with higher lum projector? Also I have a piece of drywall for a test piece before I paint a wall, will the drywall work well for testing? Thx.
Depends upon the mixture....the mixture as demo'd should work with 1500+. If you dry the mixture up to increase viewing angle, you'll want to have 2500+.
What is the body gel? Do you have any more information on that?
Liquitex acrylic body gel....it is used in acrylic painting to add textures
We are a xhurch in the PH, where to buy?
Hi, at 4000 lumens, given the size of the screen, I would stick to Vega. 180 inch on Sirius C would require along the lines of 6000 lumens to be beautiful. Our website is in the description and feel free to reach out to us at partayav@gmail.com.
Can this work with a Ultra short throw?
Not recommended....it works in that you can see it, but USTs dont play well with flat specular screens.
What is your screen material sir?
The coatings are plastics
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