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Insulating behind tongue and groove

Discussion in 'Wood / Woodwork / Carpentry' started by lmsava, 10 Apr 2008.

  1. lmsava

    lmsava

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    I'm about to start overhauling our bathroom walls. One wall I plan to remove the tiles (which are roughly waist high) and then replace the tiles with tongue and groove. The house is old and walls are largely plaster and lathe so I'm guessing I'll take most of the plaster off when I remove the tiles. My plan is to just take the plaster off and replace it with plasterboard then put the tongue and groove over the top. I'd also like to put some insulation behind the plasterboard just to keep the heat in a bit better. Does anyone have any ideas what I could use?
     
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  3. Deluks

    Deluks

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    Insulation backed plasterboard. Or insulated tile backer (aquapanel thermal)
     
  4. Jasonb

    Jasonb

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    Can't see the point of plastering then covering with T&G.

    I would run some horizontal 25x50 battens fixed to the brickwork, shim as required to get flat & plumb and fill between the spaces with 25mm celotex or kingspan insulation. You can then secret nail your T&G straight to the battens

    This will have far more insulation value than Aquapanel thermal and not encroach onto the room as much as dot & dabbed thermal plasterboard.

    Jason
     
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