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Mansard roof

  • 15-09-2009 4:52pm
    #1
    irishguy
    Registered Users, Registered Users 2 Posts: 3,304 ✭✭✭


    Does anyone have experience with mansard roofs (http://en.wikipedia.org/wiki/Mansard_roof if your interested) The roof isnt as fancy as those, but has 2 very steep sides with the top part almost flat. Now I know with flat roofs that they arent the best and even they need to be replaced every 10-15 years. Is this actually true in principle ?


Comments

  • #2
    slatytom
    Registered Users, Registered Users 2 Posts: 2 ✭slatytom


    If you choose <a decent manufacturer with a IAB cert to back it up> you will can 50+ years with it on a flat roof


  • #3
    Carawaystick
    Registered Users, Registered Users 2 Posts: 8,779 ✭✭✭Carawaystick


    probably better for this to be asked here
    http://www.boards.ie/vbulletin/forumdisplay.php?f=876
    rec - home and Garden -Construction& planning


  • #4
    Victor
    Registered Users, Registered Users 2 Posts: 78,577 ✭✭✭✭Victor


    Moved from Accommodation & Property.


  • #5
    Mellor
    Registered Users, Registered Users 2 Posts: 39,900 ✭✭✭✭Mellor


    Without know the exact pitches its not really possible to answer.

    Really steep and the top almost flat, sounds like a inclined wall with a flat roof (a flat roof is never actually flat)

    What are the pitches of each section.
    What are proposed covering matertials


  • #6
    irishguy
    Registered Users, Registered Users 2 Posts: 3,304 ✭✭✭irishguy


    Mellor wrote: »
    Without know the exact pitches its not really possible to answer.

    Really steep and the top almost flat, sounds like a inclined wall with a flat roof (a flat roof is never actually flat)

    What are the pitches of each section.
    What are proposed covering matertials
    The engineer called it a mansard roof (but he only saw a picture). It is more of a inclined wall (covered with slate) then the flat part is covered with some sort of felt I think, but thats only a guess from the ground (its 3 stories up) ill have to see what the engineer says. It was built in the late 70's early 80's.


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  • #7
    Mellor
    Registered Users, Registered Users 2 Posts: 39,900 ✭✭✭✭Mellor


    irishguy wrote: »
    The engineer called it a mansard roof (but he only saw a picture). It is more of a inclined wall (covered with slate) then the flat part is covered with some sort of felt I think, but thats only a guess from the ground (its 3 stories up) ill have to see what the engineer says. It was built in the late 70's early 80's.
    There is a huge difference between the two, mansard being much prefered.

    If it is a mansard, it won't be covered with a felt, the felt and slate junction would be terrible.


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