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  1. #1
    Join Date
    Jun 2007
    Posts
    81

    Default Mold in a shed roof

    We have a cute garden shed that was in our yard when we bought this house a few years ago. Last year was extremely rainy here in western NC (broke some records) and we had no idea that the shed's roofing was way past needing replacement. We went into the shed only to take out the mower and weedeater and had no idea what was happening with the leak back in the corner. So now we have a situation that looks like this:
    The roof itself is a goner due to extensive mold in one area and a little moisture damage in another. The joists are fine except for surface mold on a few of them. I'd love to just take the roof off and let sun and fresh air take care of the mold on the joists but it rains too often for that.
    I need to replace the plywood roof but I also need to deal with the mold on the joists while the roof is off. How do I do that?
    Thanks

  2. #2
    Join Date
    Aug 2007
    Posts
    7,084

    Default Re: Mold in a shed roof

    First thing you have to do is stop the leak. I'd recommend replacing the roof and any damaged materials before moving forward.

    Once the envelop is sealed, then you can address the mold, which should be easily knocked back with a strong bleach solution. Also, surface mold is totally different from dryrot/wood decay, so once the moisture is gone, the mold should not come back once treated with bleach. You could use some disodiumoctoborate as a preventative, but in this instance I believe that to be overkill. Your mold issue is due to a roof leak, cure the leak, you get rid of the mold.
    I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!

  3. #3
    Join Date
    Jul 2010
    Location
    SoCal
    Posts
    6,598

    Default Re: Mold in a shed roof

    Assuming that the shed is regular size, you can remove the old roof, including the plywood deck and replace with new plywood, and a nailed down layer of tar roofing paper in one day (don't choose a rainy day). If you have a helper, you could also install new shingles, on the same day.

    If you plan to do it this way, have all the materials you need on hand, ready to go.

  4. #4
    Join Date
    Jun 2007
    Posts
    81

    Default Re: Mold in a shed roof

    Okay, thanks guys.

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