Flat roof

  • bken
    Posts: 68
    February 11, 2017 at 8:05 pm #1673243

    What size lumber is good for a flat roof on fish house

    Eelpoutguy
    Farmington, Outing
    Posts: 10440
    February 11, 2017 at 8:09 pm #1673245

    What is the span? I’ll run it on the span chart.

    bken
    Posts: 68
    February 11, 2017 at 8:30 pm #1673247

    6′ 4″ span

    Eelpoutguy
    Farmington, Outing
    Posts: 10440
    February 12, 2017 at 7:50 am #1673291

    American Wood Council (AWC)
    2 x 4 16″o.c.
    SPF – stud grade (worst case) Typical Home Depot lumber.
    Roof rafter / Snow load

    Max span 7′-1″

    So you are good to go.

    bken
    Posts: 68
    February 12, 2017 at 8:36 am #1673306

    thanks for the info

    Bill Sackenreuter
    Devils Lake ND
    Posts: 228
    February 12, 2017 at 11:03 am #1673360

    For the little difference in price I would buy 2×6 and rip 2″ to nothing off, that will give you enough slope to let water run off, the rest of the year.

    Eelpoutguy
    Farmington, Outing
    Posts: 10440
    February 12, 2017 at 11:21 am #1673367
    Bill Sackenreuter wrote:

    For the little difference in price I would buy 2×6 and rip 2″ to nothing off, that will give you enough slope to let water run off, the rest of the year.

    Good plan if you can get straight material and you’re good with a circular saw.
    I wouldn’t recommend it to a novice.

    You would be better off just adding an additional plate to the high side.

    Dave Koonce
    Moderator
    Prairie du Chien Wi.
    Posts: 6946
    February 12, 2017 at 8:41 pm #1673447

    No matter how you do it…

    Slope the roof !!!

    mxskeeter
    SW Wisconsin
    Posts: 3810
    February 12, 2017 at 9:22 pm #1673456

    Some pitch is your friend!!!

    Eelpoutguy
    Farmington, Outing
    Posts: 10440
    February 13, 2017 at 7:00 am #1673506

    If you throw a piece of EPDM on the roof, it won’t matter if its pitched or not.
    You can get a piece relatively cheap at ABC Supply.

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