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  1. #1
    Join Date
    Sep 2009
    Location
    Twin Cities, Minnesota
    Posts
    150

    Default Corrosion under sink

    Inspecting a sink yesterday -- everything metal (screws, hinges, copper pipes leading to faucet, drain) under the sink in the cabinet was corroded/rusted. There were no signs of leaks. It was a wood cabinet with two doors. The back wall was an outside wall (to the garage). Any idea what would cause the corrosion? I thought maybe it would have something to do with it being an outside wall, but not sure.

    Thanks!

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    -Jon
    Errickson Home Inspections, LLC
    http://www.erricksonhomeinspections.com

  2. #2
    Join Date
    Mar 2007
    Location
    Plano, Texas
    Posts
    4,170

    Default Re: Corrosion under sink

    Storage of chemicals under sinks is a big contributor. Back 20-30 years ago, everyone kept an open container of chlorine cleanser under the sink and it ate up all the metal inside.

    Jim Luttrall
    www.MrInspector.net
    Plano, Texas

  3. #3

    Default Re: Corrosion under sink

    What Jim said.

    That's why it's a bad idea to have a furnace pulling combustion air from a laundry room, corrosive chemicals stored in the same space as an electrical panel, etc.


  4. #4
    Join Date
    Sep 2009
    Location
    Twin Cities, Minnesota
    Posts
    150

    Default Re: Corrosion under sink

    Excellent insights -- thanks for the tips.

    -Jon
    Errickson Home Inspections, LLC
    http://www.erricksonhomeinspections.com

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