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U-values

  • 14-07-2008 3:41pm
    #1
    Independent
    Closed Accounts Posts: 55 ✭✭


    Hi all, I used to build houses years ago, i see all these changes to building regulations for the Ber certs, all good i might add. I'm curious to what sort of u-values wall and ceilings had when i was building. We mostly built 4inch block with 2inch insulation in a 4inch cavity and another 4inch block. Most houses were insulated at ceiling level with the build up being 5inch joist with 4inch fiberglass insulation and 1/2 plasterboard.


Comments

  • #2
    ardara1
    Closed Accounts Posts: 495 ✭✭ardara1


    Independent wrote: »
    Hi all, I used to build houses years ago, i see all these changes to building regulations for the Ber certs, all good i might add. I'm curious to what sort of u-values wall and ceilings had when i was building. We mostly built 4inch block with 2inch insulation in a 4inch cavity and another 4inch block. Most houses were insulated at ceiling level with the build up being 5inch joist with 4inch fiberglass insulation and 1/2 plasterboard.

    Walls - 0.44
    Ceiling - 0.45
    (Bet there was nothing in the floor?)
    (Would have been std spec up to around 2000/2002)


  • #3
    Independent
    Closed Accounts Posts: 55 ✭✭Independent


    Thanks ardara1. Up until mid 80's we would not have put anything in the floor just hardcore concrete and screed. Between mid 80's and 1990 insulation was introduced (2inch). I never installed a radon barrier not sure when that came about.


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