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How far can you go with overhang?

  • 10-01-2016 4:13pm
    #1
    eorna
    Registered Users, Registered Users 2 Posts: 408 ✭✭


    How much can you go with an overhang for a shed? Have A roof shed which want to extent.. If i was to put a purlin to each existing rsj how far can you go without having to put another upright?


Comments

  • #2
    9935452
    Registered Users, Registered Users 2 Posts: 2,835 ✭✭✭9935452


    eorna wrote: »
    How much can you go with an overhang for a shed? Have A roof shed which want to extent.. If i was to put a purlin to each existing rsj how far can you go without having to put another upright?

    i was told 12 feet with an angle iron frame. 12 feet out 3 foot drop


  • #3
    Sam Kade
    Registered Users, Registered Users 2 Posts: 12,313 ✭✭✭✭Sam Kade


    eorna wrote: »
    How much can you go with an overhang for a shed? Have A roof shed which want to extent.. If i was to put a purlin to each existing rsj how far can you go without having to put another upright?
    Not very far I'd inagine maybe 6 feet.


  • #4
    patsy_mccabe
    Registered Users, Registered Users 2 Posts: 11,125 ✭✭✭✭patsy_mccabe


    Depends how the purlin is supported at the back end. Could you put up support stays out at 45 deg? Or add webbing like below.


    400px-Portal-19.jpg


  • #5
    td5man
    Registered Users, Registered Users 2 Posts: 3,081 ✭✭✭td5man


    9935452 wrote: »
    i was told 12 feet with an angle iron frame. 12 feet out 3 foot drop

    Probably up to 15' like this


  • #6
    eorna
    Registered Users, Registered Users 2 Posts: 408 ✭✭eorna


    Thanks for replies... I was hoping for 14 foot.. I presume b much cheaper than 4 uprights and standard purlins..


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  • #7
    st1979
    Registered Users, Registered Users 2 Posts: 936 ✭✭✭st1979


    djmc wrote:
    Hope its not out of order but for the crack I thought I'd start a thread asking if the IFA really matters can the other farming loby group's take their place or will they be trusted again as the main farming organization. I have not posted in the other IFA threads as I don't feel that they represented my interests I think they were good around the 1960s but seem to be more involved in politics than a farmers union in the last twenty years

    Mine is 8' with no support with 8*4 H iron. That was what a respected shed builder told me. Any more and it needed support. But in fairness you
    could go a bit more I think


  • #8
    djmc
    Registered Users, Registered Users 2 Posts: 1,611 ✭✭✭djmc


    Might be getting threads mixed up a bit.


  • #9
    st1979
    Registered Users, Registered Users 2 Posts: 936 ✭✭✭st1979


    Yea sorry djmc my phone must of gone crazy cause i definitely didnt quote that


  • #10
    td5man
    Registered Users, Registered Users 2 Posts: 3,081 ✭✭✭td5man


    td5man wrote: »
    Probably up to 15' like this

    Local tyre place added an overhang of about 15' truss is 4' or 5' high and made from 3x3 angle


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