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richiey

Perimeter Bulkhead In Theatre Room Worth It?

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Hi,

I currently in the last stages with the builder to finalise plans, room is approx 4000 x 5300 x 3050 (h) with a perimeter bulkhead in the ceiling measuring 300x300. The charge for this is $1288 , im deciding weather to take this item out or not and use it towards the walls in which they have priced for x2 13mm firestop walls $2591 (is this reasonable?) . I have asked for fyrchk 16mm x2 to see what that comes out as.

Is there any real benefits for the bulkhead in the ceiling other than the looks?

I was also thinking with the projector how far down from the ceiling does it need to be positioned? Ive seen pics where the projector is mounted against the ceiling and in others there is an extension pole that runs down and then connects to the mount. Just want to know with the bulkhead in the way where would be the best place to position it, to also maximise screen to about 130 - 140" with the JVCX5000 at the moment. Ceiling height is 3.05m

cheers

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A bulkhead can be used for longer aircon/heating ducts or a specialist heat exchanger to reduce noise transmission. With careful design they can also help to minimise room nulls.

Projector mounting height will be influenced by how high you want the screen mounted. My rule of thumb is for the bottom of the screen to be no higher than eye level when seated, although a higher position may suit if you're the type who reclines their seat.

With screen size, this will be affected by which wall you're intending to mount on. If the screen is mounted on the 5300 wall you will be limited to a 110" 16:9 screen even with the projector as far back as possible. If the screen is on the 4000 wall you will have plenty of throw distance for a 130"/140" screen.

Best to sort out preferred screen size and height, then deal with projector mounting height.

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Mate that sounds hella expensive for the plaster. I'm building at the moment and it cost me $200 more for soundproof insulation. $500 more for 16mm fyrchek to all walls. ( and don't forget to change the door to a solid core door otherwise the plaster upgrades are redundant. ).

Bulkhead sounds about right. And also make sure all your lights in the room are dimmable.

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If you end up doing the bulkhead make sure they glue and screw it extra well otherwise you will end up with rattles.

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The projector will be on the 4m wall

Ive been quoted $1200 to put in R2.5 rated 90mm thick sound control insulation batts to all walls and ceiling into the theatre, is this a rip?

Ive asked for a solid core door as well to the theatre

I will most likely build my own riser at the back and will do carpet as well after handover to save $ where I can.

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I reckon $1200 is a big rip for your insulation. At $60 odd a bag I don't reckon you'll need 20 bags. If they won't budge maybe ask if u can have a day to prewire which you may want anyway and whack the batts in yourself at this stage. Most builders are comfortable with this so do it at the end of frame stage.

Edited by Cowboyswing

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Is the bulkhead being built within the room (after the 2 layers Gyprocking?) or as part of the overall frame?

My guess is it's the later in which case it won't offer much in terms of additional soundproofing benefits for bringing in air etc.

Might be a bit pricey and of course things can be cheaper DIY but think about your own time etc to do it. These guys will rip through it. Maybe try and negotiate a bit but I wouldn't stuff around on for too long. You still need to end up with a house overall!

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I think a bulkhead really adds to a home theatre feel.

If your just going to add a box around the perimeter of the ceiling with no lighting etc.. I wouldn't bother.

I made my bulkhead out of mdf after the fyrechek plaster was installed, not hard to do really.

Cost me about $150 for materials.

post-190746-0-51334400-1459502134_thumb.

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Is the bulkhead being built within the room (after the 2 layers Gyprocking?) or as part of the overall frame?

My guess is it's the later in which case it won't offer much in terms of additional soundproofing benefits for bringing in air etc.

Might be a bit pricey and of course things can be cheaper DIY but think about your own time etc to do it. These guys will rip through it. Maybe try and negotiate a bit but I wouldn't stuff around on for too long. You still need to end up with a house overall!

Yeh I believe its will be built as part of the overall frame, if i do after handover will save some $$

other option I am thinking about leaving the theatre as standard i.e all standard walls with insulation only and even the paint to do after , then I will add the second layer of gyprock + bulkhead + paint afterwards

I think a bulkhead really adds to a home theatre feel.

If your just going to add a box around the perimeter of the ceiling with no lighting etc.. I wouldn't bother.

I made my bulkhead out of mdf after the fyrechek plaster was installed, not hard to do really.

Cost me about $150 for materials.

Like the look of yours

Yeh I am getting it mainly for the home theatre feel, the only lighting i have is downlights on the bulkhead simialr to what you have but wont have the strip lighting as you do as I dont think I have a gap, its just a box. I think they wanted to charge an extra $1300 to have a gap.

How long did it take for you to do yourself?

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Heres a pic from the net which I copied for my room. very simple design.

Took me a few hours to rip the panels and assemble, same to install.

Fix timber battens to wall & ceiling then screw assembled mdf to it.

post-190746-0-11499700-1459569503_thumb.

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