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flat roof

  • 09-09-2008 1:58pm
    #1
    decdoc
    Closed Accounts Posts: 58 ✭✭


    with all the crap weather over the last couple of months the flat roof at the side of my house has sprung some leaks, it a cast-in-situ concrete roof with a asphalt finish covering approximately 30sq meters. The house itself is about 40 years old and the asphalt has been replaced once in that time, so I recon the water proofing will need to be completely redone.

    I was considering going with a rubber EPDM finish and was wondering has anyone had any experience with this system over the traditional felt/asphalt system? and is there much of a difference in the price?

    if anyone has recommendations for roofers doing EDPM in the Dublin region could you please pm me with the details.

    thanks
    declan


Comments

  • #2
    Puppies
    Closed Accounts Posts: 28 ✭Puppies


    It may not be neccessary to replace the whole lot. Removing an existing asphalt roof can be laboursome. The best way to repair this is to install a layer of built up felt roofing over the top, any good company should give at least a 15 yr warranty, and it would work out much more cost effective.


  • #3
    sinnerboy
    Closed Accounts Posts: 5,433 ✭✭✭sinnerboy


    I would second that except - take the opportunity to install at least 100mm PUR insulation . Then 2 layers of torch on felt over .


  • #4
    decdoc
    Closed Accounts Posts: 58 ✭✭decdoc


    Puppies wrote: »
    It may not be neccessary to replace the whole lot. Removing an existing asphalt roof can be laboursome. The best way to repair this is to install a layer of built up felt roofing over the top, any good company should give at least a 15 yr warranty, and it would work out much more cost effective.

    I can see the sense it that, and it'll save some cash I'd be all for it as I'm current renovating the rest of the house at the moment.
    sinnerboy wrote:
    I would second that except - take the opportunity to install at least 100mm PUR insulation . Then 2 layers of torch on felt over.

    It is currently a cold roof construction and I was planning on fixing a vapor barrier and 110mm of insulation internally (60mm insulation backed plasterboard and 50mm rigid board between battens fixed to the concrete.


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