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Building regs and roof insulation question

  • 20-09-2015 6:39pm
    #1
    Selfbuilder14
    Registered Users, Registered Users 2 Posts: 59 ✭✭


    Just a question why the difference in minimum u values for a flat versus a pitched roof?


Comments

  • #2
    MicktheMan
    Registered Users, Registered Users 2 Posts: 2,880 ✭✭✭MicktheMan


    Selfbuilder14 wrote: »
    Just a question why the difference in minimum u values for a flat versus a pitched roof?

    Area


    and it is maximum u-value


  • #3
    Selfbuilder14
    Registered Users, Registered Users 2 Posts: 59 ✭✭Selfbuilder14


    Thanks Mick, yes meant maximum. I understand but what with a curved roof the area is similar to pitched but it it is classified as a flat roof.


  • #4
    Strolling Bones
    Registered Users, Registered Users 2 Posts: 615 ✭✭✭Strolling Bones


    Pitched roofs tend to have voids with such space that it is easier to place more insulation into.
    the regs are probably refelecting that.


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