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flat roof

  • 29-01-2012 9:48pm
    #1
    radiat
    Registered Users, Registered Users 2 Posts: 151 ✭✭


    I'm planning to build an extension on the back of my house. My architect has suggested a design were a part of the roof will be flat, about 10m^2. How good are flat roofs these days? Have they moved on greatly from the days that they were always giving leakage problems?


Comments

  • #2
    BryanF
    Moderators, Home & Garden Moderators Posts: 10,146 Mod ✭✭✭✭BryanF


    radiat wrote: »
    I'm planning to build an extension on the back of my house. My architect has suggested a design were a part of the roof will be flat, about 10m^2.
    1. How good are flat roofs these days?
    2. Have they moved on greatly from the days that they were always giving leakage problems?

    1. flat roofs are fine, once they are designed with appropriate materials and correct falls + maintenance is considered - its the latter that often lets things down - ask your architect has the roof been designed with access &/or to carry the weight of you walking up there if required to clean drains etc.
    2. yes - but IMO one issue can be between the specifying and on-site stages, where poorer materials and practices are aloud in the name of cost savings.


  • #3
    radiat
    Registered Users, Registered Users 2 Posts: 151 ✭✭radiat


    thanks Bryan.
    I was told that a flat roof will increase the price of home insurance. Is this correct?


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


    not really my area of expertise, I think its a % calculation and as the area's in question are relatively small it may not be an issue. best to ask your insurer.. but really if this design is solving a layout issue / improving the shape/form / increasing light penetration/helping to increase space etc etc, then it will be worth it.


  • #5
    muffler
    Registered Users, Registered Users 2 Posts: 46,555 ✭✭✭✭muffler


    Flat roof construction and/or products have improved over the years but still bear the tag of being a "short term" solution. In saying that the term would be much longer than the 5 or so years you would have got from the old felt roofs.

    Is a pitched roof out of the question, even a low profile using something like Nordman sheeting?


  • #6
    BryanF
    Moderators, Home & Garden Moderators Posts: 10,146 Mod ✭✭✭✭BryanF


    Ah come on Muffler its 10msq! If the OP or his/her neighbours are going to be looking at this roof, why not go for something a little more classy, a bit of zinc perhaps:)


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  • #7
    muffler
    Registered Users, Registered Users 2 Posts: 46,555 ✭✭✭✭muffler


    BryanF wrote: »
    Ah come on Muffler its 10msq! If the OP or his/her neighbours are going to be looking at this roof, why not go for something a little more classy, a bit of zinc perhaps:)
    Im looking at the bigger picture here where the OP said "part" of the roof would be flat.


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