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Outbuilding dedicated cinema room 7.2.6

mb3195

Well-known Member
After moving in to my new house January 2016, with all of my cinema equipment sold up apart from my premiere cinema seats and jamo d6 speakers, I'm finally getting around to building a new one!

Due to the layout of my new house and no "spare" rooms big enough, this time it will involve a complete new outbuilding, which gives me the opportunity to get it done how I want it! Not having to worry about speakers in the wrong location, odd shaped rooms or even windows that need blacking out. This one is going to be made with home cinema usage in mind only!!

Planning has gone in for a 3.6m x 4.8m building (I couldn't really go any bigger without losing too much garden).

Attached are images of the garden just as the digging for the base has started, along with the base down and planning application drawings.



The drawing show windows in the building, but these will be false, just to give a better aesthetic view of the house.

It will be built with OSB board and I will be using roof shingles and cladding it in a grey green MarleyEternit weatherboard, meaning it should need no maintenance when built.

Still deciding on what insulation I will be using, but likely to be celotex, I believe it is also good for sound proofing?

The porch area will house all of my electronics, keeping everything nicely hidden.

I will be making a DIY acoustic transparent screen, likely to be 2.7m wide with adjustable masking, the remaining wall will be covered in Devore velvet, giving the impression of a floating screen.

The rest of the room will be painted in a charcoal black, with dark grey thick pile carpets, no light will be allowed in so it should be plenty dark enough!!

Heating wise I am going to go down the air conditioning route, just deciding whether to go ceiling or wall mounted.

In terms of goodies, I will be using a 7.2.4 speaker setup. I've already got the jamo's for the base layer, not decided on the atoms speakers as yet, advice welcome!!

I am likely to go with the denon x4300 as receiver with a Iota 7 channel power amp which I have already ordered. The 2 subwoofers will be bk monoliths (picking the first one up this evening), I shouldn't be lacking in base!!

The projector is a toss up between the epson x9300 or jvc x5000 although I'm currently leaning towards the epson route.

I will likely end up with the oppo UHD player, PS4 pro and Xbox one.

Just need the council to hurry up and give me a yes on the planning permission, getting a little impatient now!!

Will keep you all updated!
 

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Peter Parker

Distinguished Member
Celotex is good for thermal use, but not so good for sound compared to Rockwool - the fibres trap sound waves and convert to heat, Celotex etc can't do that.
 

KyleS1

Distinguished Member
<subscribed>
 

PsyVision

Distinguished Member
That's coming on really well!

A few questions...

What's the weatherboard that you're using? I presume it's some sort of molded plastic, does it have a grain?

The blue battens - what are they treated with? I've seen another build on here with pink ones :eek:

What are your plans for the roof?
 

mb3195

Well-known Member
That's coming on really well!

A few questions...

What's the weatherboard that you're using? I presume it's some sort of molded plastic, does it have a grain?

The blue battens - what are they treated with? I've seen another build on here with pink ones :eek:

What are your plans for the roof?
Hi mate, the weatherboard is Hardie Plank (see link James Hardie - HardiePlank Cladding), it is a cement based product which requires no maintenance and is totally fireproof. It has a grain, although you can also get one without it. If you zoom in on the close up shot of the cladding, you can see the grain. It does look really natural.

The blue battens are treated in a fire retardant coating. They are not fireproof as such, just offer more resistance to flames.

For the roof, I have decided to go with GRP fibreglass. I have ordered a DIY kit, looked at a few youtube videos, it looks easy enough providing the preparation work is done correctly.

The french doors have been fitted today, hoping to get the outside of the building completed within the next week so we can start concentrating on the internals!
 

PsyVision

Distinguished Member
Nice one, thank you for taking the time to answer. The fiberglass looks pretty good stuff, I watch a video on installing it.

I might request a sample of the HardiePlank to see what I think. I'm not sure they quite do the colour I want and I wonder if it would look too flat compare to Red Cedar.
 

CableGuy

Active Member
Looking excellent. Really taking shape.
And great choice for the speakers by the way. :)
 

mb3195

Well-known Member
Well rain stopped play last week, so not much progress. Work restarted this week, outside of the building is approaching completion, it's now really starting to take shape and I'm really pleased with how it's looking.

It's only got a temporary roof on at the moment (put up last week due to the rain). Hoping we should be able to get the outside finished over the weekend if all goes to plan.

Also picked up my new speakers this week and took delivery of my denon x7200. Both sets of items really solidly built in their own right, I've now got all of my electronics, just need to get the building finished!!
 

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pressure

Well-known Member
Great project!

Are you going to put any acoustic treatment in? Since it's a dedicated room you can get some really nice panels / traps in there.
 

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