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Which of these boards for ceiling insulation?

Comments

  • #2
    _Brian
    Registered Users, Registered Users 2 Posts: 18,721 ✭✭✭✭_Brian


    The second one.


  • #3
    Idbatterim
    Registered Users, Registered Users 2 Posts: 18,127 ✭✭✭✭Idbatterim


    I realise it will probably be better insulated the second one, but I can get the first one for one fifth the price...


  • #4
    BryanF
    Moderators, Home & Garden Moderators Posts: 10,146 Mod ✭✭✭✭BryanF


    Idbatterim wrote: »
    I realise it will probably be better insulated the second one, but I can get the first one for one fifth the price...

    Need more info

    Is this a first floor with attic above or a flat roof extension. Can you give the build up above proposed plasterboard?


  • #5
    scwazrh
    Registered Users, Registered Users 2 Posts: 2,797 ✭✭✭scwazrh


    Idbatterim wrote: »
    hey lads, are these ok for ceiling insulation or is it better to go with these? Also are the second ones much better at retaining heat?

    https://www.goodwins.ie/products/22mm-insulated-reveal-plasterboard-8x4-0028101.html?filter_set[]=4,45

    https://www.goodwins.ie/products/29mm-insulated-plasterboard-8x4-0028115.html?filter_set[]=4,45

    Thanks!

    Neither of these boards will achieve any substantial heat loss prevention on their own . That said I would alway chose polyiso over polystyrene


  • #6
    Idbatterim
    Registered Users, Registered Users 2 Posts: 18,127 ✭✭✭✭Idbatterim


    Thanks for the replies lads. There is another floor above it. The ceiling is pre cast hollow core concrete. Wooden batons attached to that to support the plasterboard ...


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  • #7
    BryanF
    Moderators, Home & Garden Moderators Posts: 10,146 Mod ✭✭✭✭BryanF


    Is this a new house?


  • #8
    Idbatterim
    Registered Users, Registered Users 2 Posts: 18,127 ✭✭✭✭Idbatterim


    no its an old country house converted to hotel in the seventies, being gutted now. the walls are bunker think. Double glazed sash windows in it. There is another floor above it and two below it. Ceiling height is 305cm on the floor in question. I guess about 250cm the floor above.

    Need heating engineers etc in next. The only thing original with the house is outside, everything else was left go to ruin decades ago.

    So now need to also contemplate which way to heat it etc!


  • #9
    BryanF
    Moderators, Home & Garden Moderators Posts: 10,146 Mod ✭✭✭✭BryanF


    A lot of external wall insulation

    Edit: and massive log boiler and a forest ..


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