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Shed Roof

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  • 12-08-2020 8:13pm
    #1
    khaldrogo
    Registered Users Posts: 1,572 ✭✭✭


    Good evening.

    I built a block shed/workshop (22' x 12') about 8 years ago. I put a flat felt roof on it as it was the cheapest option I could do myself.
    It took about 6 years before I realised I didn't have enough of a slant on it to properly drain the rain water and as a result water started pooling and eventually leaked through.
    I tore it up last year and put a new corrugated bitumen roof on it. I tested the new slope and the water ran off it very well.......until about 6 months later and now I have the same issue of water pooling and leaks.

    I am pulling the whole lot off again Saturday week but I'm not sure what way to go in terms of the new roof.

    I want to stay down the bitumen corrugated route but do I go for the traditional A frame approach or just built a new flat type frame with a bigger slope?

    Money, time and expertise are all not in my favour on this.


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    #2
    Phil.x
    Registered Users Posts: 1,723 ✭✭✭Phil.x


    A bigger slope with a fiberglass finish.


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    #3
    TheW1zard
    Registered Users Posts: 1,340 ✭✭✭TheW1zard


    2nd for fibreglass.


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    #4
    runawaybishop
    Registered Users Posts: 9,502 ✭✭✭runawaybishop


    What's the slope and how much do you want to spend?


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    #5
    Idbatterim
    Registered Users Posts: 17,843 ✭✭✭✭Idbatterim


    Post up a pic. Have had this issue, simply got wedges cut, screwed to joist, to give bigger fall....


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    #6
    khaldrogo
    Registered Users Posts: 1,572 ✭✭✭khaldrogo


    runawaybishop wrote: »
    What's the slope and how much do you want to spend?

    The current slope is about 2%.

    I want maybe a 10% slope and ideally want to send as little as possible. I am hoping to reuse as many of the existing corrugated ieces as possible


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    #7
    khaldrogo
    Registered Users Posts: 1,572 ✭✭✭khaldrogo


    Phil.x wrote: »
    A bigger slope with a fiberglass finish.

    Please explain


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    #8
    runawaybishop
    Registered Users Posts: 9,502 ✭✭✭runawaybishop


    khaldrogo wrote: »
    The current slope is about 2%.

    I want maybe a 10% slope and ideally want to send as little as possible. I am hoping to reuse as many of the existing corrugated ieces as possible

    Grand, pull the roof off and just increase the slope, put the old roof back on. Are they full length sheets across the roof or have you joined them in places?


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    #9
    Atlantic Dawn
    Registered Users Posts: 81,467 ✭✭✭✭Atlantic Dawn
    M


    Interested in Fibreglass myself, is this a good guide?
    https://www.youtube.com/watch?v=xT9YsGBU0Fk


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    #10
    Toby22
    Registered Users Posts: 92 ✭✭Toby22


    Hi, roofer in the extended family, he has removed a lot of fibreglass roofs in the past few years, some only down two years. He wouldn’t recommend it at all.


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    #11
    AVFC.Stephen
    Registered Users Posts: 293 ✭✭AVFC.Stephen


    Toby22 wrote: »
    Hi, roofer in the extended family, he has removed a lot of fibreglass roofs in the past few years, some only down two years. He wouldn’t recommend it at all.

    Plus fiberglass is crazy money for a shed roof :)


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    #12
    Lumen
    Registered Users Posts: 31,019 ✭✭✭✭Lumen


    khaldrogo wrote: »
    I tore it up last year and put a new corrugated bitumen roof on it. I tested the new slope and the water ran off it very well.......until about 6 months later and now I have the same issue of water pooling and leaks.

    That's odd. It sounds like the onduline has sagged. Is it properly supported?


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    #13
    Whatwicklow
    Registered Users Posts: 660 ✭✭✭Whatwicklow


    Don't mind fiberglass, get on to Dungdeal and find someone selling cladding (even cladding seconds) and use it.

    Fine job for a simple lean to roof


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