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    Rick Scordo's Avatar
    Rick Scordo Posts: 1, Reputation: 1
    New Member
     
    #1

    Aug 20, 2008, 06:49 AM
    Why does my roof leak after having ventilation turbines installed?
    I had 3 ventalation turbines installed last week from roofers that I don't think have installed them in the past. The said my roof was an 8 degree pitch and adjusted the
    Turbines accordingly. We got our first big rain storm last night and I went up in the attic
    And sure enough water was raining in through the inside of the turbine. It was leaking
    In the middle (turbine part) not around the edges where they sealed it. Did they adjust
    It wrong? I bought the turbine at Lowe's and I'm not sure If I should have them taken
    Down or just adjusted. One of the turbines which is located on top of my garadge does
    Not turn as much as the others.
    Mapleleafpete's Avatar
    Mapleleafpete Posts: 125, Reputation: 4
    Junior Member
     
    #2

    Aug 29, 2008, 06:56 AM
    Are the turbines above the peek of the roof? To work proper they should be at least 4 inches above the peek,if not they will only work when the wind direction is come from 2 directions like north and west.Make sure they are level,if not this will allow water to enter from the sides because of the tilt, also make sure they are properly sealed to the roof,they my look OK but I've seen them leak even if I though it was a perfect seal.Good luck.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
     
    #3

    Aug 29, 2008, 07:04 AM
    A turbine like you describe is not rain proof. Inspect it and picture what happens when rain drops hit it on a slight angle, rain can enter between the turbine blades even if they are spinning.
    aeisner's Avatar
    aeisner Posts: 1, Reputation: 1
    New Member
     
    #4

    Oct 3, 2011, 12:48 PM
    I put aluminium platters in the attic, directly under the turbine openings. The theory is that any water that makes it between the blades is caught by the platter, and then has a short distance to evaporate out of the attic i.e. back up the hole. I can't say how effective this is, but it should be better than the water hitting the insulation below the turbine.

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