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Minimum u value for insulating concrete floor

Discussion in 'Floors, Stairs and Lofts' started by jakecloss, 20 May 2014.

  1. jakecloss

    jakecloss

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    im trying to work out what the minimum thickness of kingspan I can use on an uninsulated concrete floor dimensions 3m by 4m to meet 2014 UK regs is :?:
     
  2. PrenticeBoyofDerry

    PrenticeBoyofDerry

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  4. tony1851

    tony1851

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    Floors can be difficult to work out because it depends on the perimeter/area ratio and the relationship of the extension to the existing building.

    But generally, around 100 Kingspan suffices and usually saves building control asking for calcs.
     
  5. jakecloss

    jakecloss

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    Its 0.22 W/m.K for existing building Thanks for the link

    Found very useful site for calculating the thickness of insulation required for a floor's U-value to comply with current Building Regulations.

    Http://www.idhee.org.uk/UvalueCalc.php



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