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Question Keeping light out

Discussion in 'Home Cinema Building DIY' started by Mr Andy, Nov 29, 2017.


    1. Mr Andy

      Mr Andy
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      What are people using to cover windows? Before I even think about getting a projector I need to reduce the light. I've got a 2.4m window, currently with "blackout" curtains from Dunelm. Some light gets through the fabric, and even if it didn't a lot spills over the top and out the bottom.
       
    2. adam-burnley

      adam-burnley
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    3. ChuckMountain

      ChuckMountain
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      Bricks..... Who needs windows anyway ;)

      If you want total black out then it's got to be something that is a sealed cassette type one otherwise you get light spill. However that might be ok for what you need, I used mine with similar curtains and it was fine
       
    4. adam-burnley

      adam-burnley
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      Have you got any recommendations for sealed cassette blinds?

      What are you using?
       
    5. ChuckMountain

      ChuckMountain
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      I meant to say but was on my phone before, something like you have linked to look like cassette blinds.

      I just stuck with regular black out lined curtains and for most of my viewing at night except was fine.
       
    6. adam-burnley

      adam-burnley
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      Ah right, I was confused because I thought the Bloc ones were cassette based. The only potential weakpoint is the bottom, but that could probably be sorted with a rail or a strip of door seal or similiar.
       
    7. ChuckMountain

      ChuckMountain
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      It looks like it has a black brush or rubber strip at the bottom so that should seal itself I think.
       
    8. adam-burnley

      adam-burnley
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      That would be perfect then. I intend on getting one for my room soon, just need plasterboard and plaster so I have the exact dimensions.

      Anyway back to the OP!
       
    9. Mr Andy

      Mr Andy
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      Thanks, I'd been typing tracked blinds into Google. Maybe cassette is the correct term.

      Thanks Adam for the link, most things I found didn't go past 2m. I did pop into Hillary blinds who suggested their perfect fit blinds, these also run in a frame. I would need 3 (one per pane of glass).
       
    10. adam-burnley

      adam-burnley
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      I've had a quote from Hillary Blinds, they wanted over £300 after discounts for a small window in a kids bedroom. Bloc will work out cheaper, for me at least.
       
    11. Mr Andy

      Mr Andy
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      Blimey, I know you can get the same stuff from Web blinds cheaper (possibly after the free quote from Hillary) I'll check out bloc when I get home.
       
    12. KelvinS1965

      KelvinS1965
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      I went belt and braces so to speak: I found a local supplier of electric black out blinds, but these aren't 100% light sealed like the cassette type, though they added side pieces to stop most of the leak and the bottom sits pretty tight on my wood floor.

      My OH wanted some fancy curtains and these have black out linings too, so between the two layers I can get the room really dark even during daylight if I wanted. At night not a trace of the outside street lights comes through, which is good because we added an extra set of French doors to make the room lighter in daytime. The curtains alone wouldn't cut out the light due to it getting round the sides and the bottom, but the blinds aren't really visible when raised, so it's a happy compromise: Cassette type blinds alone would have been just as effective at cutting the light.

      Just to add: Moving all my AV gear out of the room was the other change I made, so there are no display LEDs to cause light pollution to my screen. Now when I get a fade to black I get the most out of my JVC's great black levels.
       
    13. Mr Andy

      Mr Andy
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      I detest the lights on av kit and can't understand why you can't turn them off. I'm thinking about having a shelf with the amp and the projector above and behind me with the centre speaker on a stand.
       
    14. ChuckMountain

      ChuckMountain
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      I can switch the lights\display off on my AVR etc.
       
    15. Mr Andy

      Mr Andy
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      My yamaha will turn them off in pure mode but that also takes out the level balance /delay for the rear speakers. They even let you dim it so I can't see why off wasn't an option.
       
    16. ChuckMountain

      ChuckMountain
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      Which model do you have?
       
    17. Mr Andy

      Mr Andy
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      Rxa1060

      I'm planning a stereo set up in my living room and have ordered a TV stand with a door to hide the old sudden amp. I can't seem to find a stand for the movie room to hide the av amp, whilst being low enough to fit a Tannoy DC6 LCR under the screen.
       
    18. ChuckMountain

      ChuckMountain
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      You can turn off the display on that too etc in the settings.
       
    19. Ronski

      Ronski
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      I went for electric cassette blackout blinds, work a treat except for a very slight gap where the window cill isn't perfectly flat. The door into the hall has a perfect fit style blind, but there is some slight light leakage if the hall light is on. Full details in my build thread......somewhere.
       
    20. Hixs

      Hixs
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      Shutters and dark curtains mean it's pitch black if I choose it to be.
       
    21. Harkon321

      Harkon321
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      Combination of blinds and curtains on the bay window and blackout curtains with additional lining on the french doors.

      It's pretty dark and without a full track system covering the walls, it's about as good as I'll get it.
       
    22. Navvie

      Navvie
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      Does anyone have the BlocOut blinds linked above? I emailed the company asking for the dimensions of the cassette track, but what they came back with confuses me.

      I've got a window and some french doors I'd like to black out, one will be fine for BlocOut, one will need the XL. Just trying to work out how much the track will protrude into the reveals, or if surface mounting would be a better option, where I'd then like to know the clearance for any curtains... SWMBO won't accept just blinds in our multi purpose lounge.
       
    23. adam-burnley

      adam-burnley
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      I don't have yet, but will be ordering in the near future. According to the Fitting Type guide, it says to allow 50mm to each side and 100mm for the top (and 50mm to the bottom if having four sided surface style). That would indicate the cassette size as 50mm sides and bottom, and 100m top.

      They have an online chat if you prefer to avoid calling them.

      I did ask them a while ago if they could do the cassette in black, but only white, silver and cream unfortunately. And the motorised option is only available on the XL blind, although at £150 is a pricey luxury. Would have been nice if it ties in with Harmony / Alexa though - one activity to set the room up for movie time :cool:
       
    24. Navvie

      Navvie
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      Difficult to phone as I'm at work, I emailed them and they came back with BlocOut at 58mm snf height and 60mm when surface mounting. XL is 78mm height and depth.

      I've since confirmed those dimensions on riba product selector site.
      BlocOut recess 60mm x 52mm, surface 60mm x 58mm.
      BlocOutXL recess 78mm x 86mm, surface 78mm x 78mm.

      For my french doors I think the surface mount is the best option, like to think i'll get away with recess on the window.

      The motor option sounds great, especially if it works with a harmony. Extra cost would delay the blinds by a couple of months though.
       
    25. Captforehead

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      I bought black-out material and a few meters of sticky backed Velcro from our local department store- total cost was around £30 (around 6 years ago),

      I cut the black-out to size for the window, and stuck the Velcro on the sheets and window frame. It's important to leave no gaps in the Velcro so that light leakage is minimised.

      I and am very pleased with the results - with the blind rolled down, the room is pitch-black on even the sunniest of days, and it's very easy to attach and remove the blackout sheets.

      The one downside is the Velcro attached to the window frame - might not be to everyone's taste, but we barely notice it as the frames are white too.
       
    26. KelvinS1965

      KelvinS1965
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      In hindsight I wish I'd gone for something like this because the electric blinds I have are only remote control if you pick up the remote itself. It would be nice to have the blinds drop down automatically at sunset when my porch light turns on (using the Hue app in this case, but no doubt Alexa could do something with the blinds).
       
    27. CarlB

      CarlB
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      I have a Bloc Blind, and it's excellent. It has a rubber seal at the bottom of the blind that sits on the window sill to ensure no light leakage. It was a little tricky to fit, needs a little patience and accuracy, but I got it done in the end.
       
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    28. adam-burnley

      adam-burnley
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      Could you post a picture of the blind open and closed please? Official pics are all well and good, but you can't beat a real photo!
       
    29. CarlB

      CarlB
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      Sure, will do it tomorrow when it’s daylight.
       
    30. CarlB

      CarlB
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      This is a Bloc Blinds XL manual surface mounted blackout cassette.

      0DAB9D93-4D9A-44A3-AD02-D57FD965339C.jpeg 050C57DF-3F5D-4F42-80F5-DDFE60965771.jpeg

      Blind closed with no light leakage.

      117960F1-9E4A-4523-9F0F-691F75ED72C4.jpeg

      Soft rubber seal at bottom sits on window sill to prevent any light spill.
       
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