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  1. #1
    Join Date
    Nov 2008
    Location
    Chapel Hill, NC
    Posts
    1,070

    Repairing bird damage to bathroom vent

    Birds have made nests in the bathroom vent outlet of our recently purchased house. I took off the external vent cover and found the ductwork (4” uninsulated plastic accordion dryer duct) all torn to pieces to at least 18” into the wall (the ducts are between the first storey ceiling and 2nd storey floor and run horizontally out through the hardiplank siding of the house. Any "tricks of the trade" on how I can get some ducting of some sort from the dryer duct 18” into the house through a 4" round exterior wall hole? I was thinking of using some 3” rigid duct and trying to get it into the 4”plastic vent (hoping air would take the path of least resistance through the 3”duct). I realize this isn’t optimal but I don't want to rip out the ceiling drywall or the exterior siding to do this. I also realize that this verges on the DIY but since it's not on electrical or HVAC systems, I'm hoping that comeone can help me with this one.

    Thanks,

    keith

  2. #2
    Join Date
    Oct 2006
    Location
    So. NH
    Posts
    746
    If you are lucky, you might be able to remove the vent from the side of the house and find enough slack in the flex to pull it out, cut off damage and reconnect to a hood that birds can't get into. Otherwise, you are most likely looking at some drywall repair.

  3. #3
    Join Date
    May 2004
    Location
    south louisiana
    Posts
    3,188
    when it is done, to keep it from happening
    again, use hardware cloth to cover exit of venting.

    best of luck.
    The cure of the part should not be attempted without the cure of the whole. ~Plato

  4. #4
    Join Date
    Aug 2004
    Location
    S.E. Pa
    Posts
    6,192
    all metal rigid duct would be better. There are all stainless steel vent hoods with ss mesh available through chimney sweeps. Some chimney sweeps are Certified Dryer Vent Techs and have familiarity with such duct work and codes.

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