Projector Installation

Discussion in 'Projectors, Screens & Video Processors' started by ILikeMovies, Dec 16, 2017.

  1. ILikeMovies

    ILikeMovies
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    Hi AV Gurus,

    I’m in the process of building a bat cave home cinema and am after some advice on mounting a projector. We’ve built an mdf box around the ceiling, incl. cables and Atmos speakers, but due to a last minute projector upgrade we stuck for the best installation location.

    As it’s a TW-9300, I wouldn’t trust the MDF to hold the weight, so I think we’ve only 2 options:

    1) reinforce mdf by bolting big chunks of wood to the joists and mounting the pj to those. Given the gap between mdf and joists I’m not sure if this is even feasible.
    2) build a decent shelf below off the picture rail and mount the pj on its feet instead

    I’d really appreciate any feedback/advice or other suggestions

    Cheers,
    Martin

    PS I’ll upload some photos if that helps...

    2ED841A6-523D-48BF-B039-C8A94C29F8CE.jpeg 384B77F9-94AB-4BE2-9876-942DAB116AE2.jpeg E196D885-7D6B-4D98-9798-258916689A9D.jpeg
     
    Last edited: Dec 16, 2017
  2. Ideal AV

    Ideal AV
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    Hi Martin

    any decent well constructed box made from 12mm MDF and fixed firmly into the ceiling joists will take the weight of an Epson

    i’d also recommend that you build it with future upgrades in mind to take account of different sized projectors, this will save you work down the line

    We have installed many projectors in ceiling hung boxes, some weighing well in excess of 20 kgs and as long as it’s done professionally and securely you shouldn’t have a problem

    Take note of ventilation reqs as well

    cheers

    Allan
     
  3. paulr2006

    paulr2006
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    It obviously depends how you have fixed the MDF but assuming it's done correctly it will be more than adequate to fix the mount to.

    Edit; you beat me to it by a second Allan but totally agree.
     
  4. ILikeMovies

    ILikeMovies
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    View attachment 953323 View attachment 953324 View attachment 953325
    Thanks Allan,

    Yes it’s 12mm mdf and I had professional builders in to install it. Is there a preferred fixing for mounting to the underside of a box such as this? I was originally going to go with 8x 12 gauge woodscrews.

    Thanks again,
    Martin
     
  5. ILikeMovies

    ILikeMovies
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    Thanks Paul
     
  6. ILikeMovies

    ILikeMovies
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    Attached is the best photo I have of the construction.

    Cheers
    Martin

    508EA3DA-058C-4447-8A0D-58A41A6ABC97.png
     
  7. paulr2006

    paulr2006
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  8. paulr2006

    paulr2006
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    Out of interest did they span the distance between the ceiling & box beam with MDF or Plasterboard? to be fair both will provide enough strength to carry the PJ.
     
  9. ILikeMovies

    ILikeMovies
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    Hi Paul,

    Definitely not plasterboard. It was either mdf or maybe ply.

    And yes, am using the low profile Epson mount. So, I’m assuming 8 of those bolts with some thick washers and I’ll be good to go?

    Thank you,
    Martin
     
  10. paulr2006

    paulr2006
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    Yes no problem, in all honesty 8 is overkill but it certainly will not hurt so yes go for it. The epson mount is not the easiest to fit but it's a rock solid mount when done. The instructions are poor in that it tells you to put the two ceiling plates together & tighten up, if you do that you will have no side to side adjustment to ensure you are square to the screen as it locks the plates together. I would advise you don't fully tighten the bolts, hang the PJ & check the image is square (a small movement of PJ can seem a lot bigger at the screen). When you are happy you can tighten bolts fully if you wish.
     
  11. ILikeMovies

    ILikeMovies
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    Yeah the mount is a little odd, although I expect the lens shift of the 9300 will mean that I can put it up then adjust for small changes.

    The other thing with that mount is that i think I can actually remove one of the plates (it’s part of the two that come taped together) as it seems to only be of use if you’re using the white outer shell, which I won’t be.

    Cheers
     
  12. paulr2006

    paulr2006
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    Yes the lens shift is not the issue as such; it's when the image one side is slightly larger than the other side believe it's called Trapezoid? this happened to me and all that was required was around a millimetre of movement on the mount to square it up with the screen. Regarding not using the second plate I guess you are correct.
     
  13. ILikeMovies

    ILikeMovies
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    Hi Allan,

    I just re-read your reply and think we might be talking cross-purposes.

    To confirm, I’m not building a box for the projector, I’ve build a box/pelmet out of mdf all around the ceiling to create a sunken ceiling effect and house LED tape for lighting. There’s no box for the projector, but I’m contemplating bolting the projector directly to the underside of the mdf pelmet.

    Cheers,
    Martin
     
  14. jfinnie

    jfinnie
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    Given the look of your room, wall mounted on a shelf I think will look nicer.
     
  15. ILikeMovies

    ILikeMovies
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    Thanks, I think I’m leaning back in this direction too. Best get back to the throw ratio calculator and the ScrewFix catalogue!
     
  16. Ideal AV

    Ideal AV
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    hi Martin

    all i was saying is if your builders have gone into the joists which you have confirmed then i’m sure you could hang off your pelmet as well as the Epson :D

    Using the Epson close mount will give the appearance of a neat installation and as Paul has suggested line it up with the screen then tightened it up

    Allan :smashin:
     
  17. ILikeMovies

    ILikeMovies
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    Hi Allan,
    Understood, that’s great thanks.

    I was more concerned at the idea of the screws in the mount to the mdf giving way due to the weight of the projector spread over just a small area. I’d been reading other threads concerning mdf. The other concern is that the piece of 8x4 mdf that we’re mounting to is attached to the frame from the underside, meaning that all the weight is being held by the screws rather than the beams, if that makes sense.

    I appreciate that I’m probably being over cautious here, but just need to be as sure as possible.

    Cheers
    Martin

    P.S. do you have a strong preference over screw type used?
     
    Last edited: Dec 17, 2017
  18. paulr2006

    paulr2006
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    The amount of weight involved is ver sample compared to what you could hang.
     
  19. ILikeMovies

    ILikeMovies
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    I’m assuming that’s autocorrected ‘very simple’?!;)
     
    Last edited: Dec 17, 2017
  20. dhts

    dhts
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    If you're happy that the mdf will support the weight (everything I do with mdf seems to bow after time) do you have enough height/working space to simply drill holes where the projector mounting points are and bolt rather than screw the projector to the mdf , i.e. Stick your hand in the pelmet and bolt the pj to it. No need for a mount and it will be flusher than even a low profile mount.
     
  21. ILikeMovies

    ILikeMovies
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    Well, it’s up now and screwed to the underside of the mdf via the mount. The thing’s ginormous! Stunning picture though. Will keep an eye out for any signs of movement, otherwise, it’s Star Wars time! :clap:

    21C5034B-B75C-405C-A213-B977825B1199.jpeg
     
  22. paulr2006

    paulr2006
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    There should not be any MDT movement due to the way it’s constructed, you will be fine. Enjoy!
     
  23. ILikeMovies

    ILikeMovies
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    Thanks Paul, the clarity of image from this projector really is stunning. Thanks for your help,

    Martin
     
  24. luvfilm

    luvfilm
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    room looks amazing. any pics of it in action?
     
  25. ILikeMovies

    ILikeMovies
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    Hi, thanks very much. It’s almost complete, need to order posters and waiting for sofa to arrive.

    Cheers

    E51C83DD-9296-4412-99F2-888EFD4C942E.jpeg A9C442F1-782A-4C84-B664-C2261B6D2DCC.jpeg 15C2B8E4-6B80-467F-A31A-A2D333EF91BF.jpeg 6FED349D-7C94-4FAB-AF9F-8119C43A91E1.jpeg 6A9DF00A-07AF-4799-A5AE-FE4A1EECD788.jpeg
     
  26. luvfilm

    luvfilm
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    Do you leave the Neon lights on whilst you watch a film? just curious

    I am not very DIY Handy, do you think an installer would consider just mounting a projector,screen and putting wires through roof for me? or would they want the whole shebang of doung soundproofig,lights,sound etc. Dont really have the cash for anything but the basics right now
     
  27. ILikeMovies

    ILikeMovies
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    Yeah, of course, I don't think it'd be an issue. You can buy cheap light kits from B&M or similar for £20-£30, so you can def do it on a budget. I did the projector and screen myself, and an electrician helped with running the cables and installing the lighting. You don't need an AV installer for basic stuff like that.

    As for leaving the lights on, it depends. The screen is very reflective so the light bounces back to the viewer along with the picture, which can affect the colour reproduction back to your eye. Its not massive, tbh, and you can dim it down low too to minimise the effect. If the colour matches the content, its quite cool, like having a blue ceiling for Blue Planet II, or Mad Max with maybe an orange hue.
     
  28. luvfilm

    luvfilm
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    I am getting standard downlights installed, maybe the same electrician could mount projector and screen and do the cable wiring for me? he shoould have neccesary skills for that?

    If not i have number for local AV isntaller,i will ask him for a quote on a quick basics only job
     
  29. ILikeMovies

    ILikeMovies
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    Yes exactly, I don't think he'll mind so long as you're paying :)
     

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