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Roof insulation

Discussion in 'Roofing and Guttering' started by chrisfsi, 27 Nov 2010.

  1. chrisfsi

    chrisfsi

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    Hi,

    I'm refurbishing a single skin brick shed for use as a hobby room / pottery. As the winter approaches I'd like to insulate the roof a bit. At the moment it's tile hung with no felt or lining paper - see pictures. I know the ideal would be to take off the entire roof and replace but I'd like to avoid that if possible!

    [​IMG]

    [​IMG]


    My current thoughts are to wedge strips of Kingspan / Celotex between the rafters and cover the whole lot with hardboard or 9mm plasterboard. I'm a bit concerned about the plasterboard as that will be quite heavy. Any view or comments on this? Very grateful for alternative suggestions or approaches?

    Assuming this is a good way to go, I assume I need to leave a vapour gap between the top of the Celotex and the underside of the tiles. Do I also need to leave a gap at the apex and the eaves or can I fill in right up to the ridge and head plates?

    All advice welcome...
    Thanks

    Chris
     
  2. smashngrab

    smashngrab

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    You could use that stuff that comes in a roll,its like a tinfoil sandwich with insulation as the filling.you can tack it up using a staple gun.Then tape the joints up to keep the drafts out,not to much weight to worry about.
     
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  4. chrisfsi

    chrisfsi

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    Oddly enough thats what I had up before when it wa just being used as a shed, and I must say it seemed to make no difference to the temperature whatsoever :(

    Wouldn't the Celotex/Kingspan option would be much more effective?

    Thx
     
  5. smashngrab

    smashngrab

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    How about a flase ceiling,at least you wouldn't be heating up all that space
     
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