First Timer - plasma in recess above gas fire. All advice welcome!

Discussion in 'Home Cinema Building DIY' started by spudton, Jan 4, 2012.

  1. spudton

    spudton
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    Apologies if this is going over old ground, but I couldn't find an article describing exactly what I want to do.
    This is the existing horror of a fireplace in our new house. We want to replace the fireplace and hang a plasma above, while keeping the gas fire working
    https://picasaweb.google.com/109602397478157668533/TvInstallation#5693887152270240082

    It's a brick chimney so I want to build out a false wall to keep all the cables hidden, and put the tv in a recess in the plasterboard for a flush finish, rather than hanging it on the wall.
    It'a a Panasonic TX-P42G30B and I will add a small recess for a centre speaker of a 5.1 system.
    I've bought a [FONT=verdana,arial,helvetica][SIZE=-1]Levv WB3260TB - LCD & Plasma TV Wall Bracket With Tilt for a little tilt[/SIZE][/FONT].

    Obviously the gas fire will have to be brought forward about 6", not sure how to extend the chimney forward yet, but I'll get a Corgi man in to finalise the installation. Here are photos of the back of the fire and chimney
    https://picasaweb.google.com/109602397478157668533/TvInstallation#5693887187499642146

    https://picasaweb.google.com/109602397478157668533/TvInstallation#5693887208661218802

    https://picasaweb.google.com/109602397478157668533/TvInstallation#5693887225996454402

    I've checked the wall temperature with the fire on and it is cold, but I'll use heat resistant plasterboard around the TV.
    How wide should the recess be around the TV to allow its own operating heat to dissipate?

    any other considerations?

    Thanks in advance.
     
  2. spudton

    spudton
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    Since this is traditional chimney (looks ceramic lined), I'm wondering how I can bring the gas fire forward 6".
    Will this require a new different type gas fire with metal flue going up through the chimney?
     
  3. spudton

    spudton
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    i say 6", it's actually whatever it takes for the TV and bracket
     
  4. spudton

    spudton
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    might as well answer my own question in case anyone else is asking themselves the same. A fire salesman tells me it is illegal to modify the firebox to extend out into the room (ie an L-shape) chimney to allow me to reuse my class 1 gas fire with the false wall. i work in the oil industry and we do this on a large scale, there is enough draught to make sure the gas flows up the chimney, but alas it is illegal. Therefore, going for a SMEG flueless gas fire, the missus' choice.
    Unfortunately it won't be flush with the wall, so I'm gonna suck it and see as to whether it gets too hot for the plasma. I'll put in a nogging in the false wall to allow a retro fit of a shelf/barrier if needed. Will post a model once i work out how google sketch works
     
  5. jonna

    jonna
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    Last edited: Jan 9, 2012
  6. spudton

    spudton
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    Thanks for the reply. I think the safer oftion would be an electric fire like the brilliant range, but my wife has her heart set on the smeg. Here is my latest proposal. i thought of putting an oak mantel to give the tv protection from the direct heat, possibly with a stainless bottom to stop the mantle getting damaged!
    any thoughts?
    AV storage not decided upon yet
    https://picasaweb.google.com/109602397478157668533/TvInstallation#5696524431278958242
     
  7. marinemitch

    marinemitch
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    you could possibly look at my construction photos for help
     

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