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Insulation between garage ceiling and bedroom

Discussion in 'Building' started by EddyP, 20 Jan 2009.

  1. EddyP

    EddyP

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    Before I plasterboard the ceiling in my garage I need to put some insulation in, there's a bedroom above.
    What would you recomend?
    I was intending to stuff the voids between the joists with rockwool type insulation and then a 1" layer of kingspan prior to putting on the pink plasterboard.

    Any other suggestions?

    Thanks
     
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  3. noseall

    noseall

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    you can either use exclusively fibreglass between (270mm deep).

    exclusively rigid foam board between(125mm deep)

    ...or a combination of the two i.e. 150mm fibreglass between with 40mm celotex underdraw.
     
  4. June1

    June1

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    I used 150mm Rockwool Flexi in my garage. Have a look on their site, they also have a download for you to do your U Value calculations to make sure you have the correct depth.
     
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