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Thread: Drilled a couple holes in vent pipe - remove and replace or caulk

  1. #1
    DIY Member Wally3433's Avatar
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    Default Drilled a couple holes in vent pipe - remove and replace or caulk

    I accidently drilled three durock screws into a vent pipe that is at the backsplash of my bathroom.

    Should I remove the durock, cut the pipe and fix it or just hit those holes with some cualk.

    The pipe that I hit is the horizontal pipe that is fed by the four pipes below.
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  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
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    Caulk probably isn't the best choice.

    Best choice, cut it out and replace.

    As good, if you can do it, is to buy a repair coupling, cut it into to pieces, where one half is slightly larger than 180-degrees. Slobber both the pipe and the coupling up with primer and cement, and snap it over the area where the hole is (unless it went all the way through!). A repair coupling doesn't have a stop in the middle, but otherwise looks like a standard coupling used to join two pieces of pipe together.

    What has been said to work, but not a great idea is to heat up a screwdriver tip and use it to melt the area and smush it to close up the joint. This will make that area thinner, and wouldn't be approved, but could work. Some also put some caulk on a ss screw, and screw it in to plug it...this would have a hook in the line to catch hair, etc., and would prevent you from ever getting a snake through there.

    With four holes, maybe replacement is the best.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    DIY Member Wally3433's Avatar
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    Jim: Thanks for the quick reply. I installed the coupler patch on three of the holes, and that seems to be holding real good. On the last one, I had to do the Macgyver screwdriver approach because it was in a 45 joint, right near a stud. Would have been a ton of rework and no space to work with. I was confident that I plugged the hole. I hit it with some silicone repair as well.

    Thanks for the advice.....now I can get back to Doo rocking.

  4. #4
    DIY Junior Member 41Fever's Avatar
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    If it was mine, I would have used nail plates on ALL of those butchered studs. Hopefully that is not a load bearing wall.

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