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Thread: vent pipe freezes solid

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  1. #1
    DIY Junior Member becker's Avatar
    Join Date
    Feb 2007
    Location
    northwest indiana
    Posts
    1

    Default vent pipe freezes solid

    My vent pipes freeze solid ice in real cold weather. I am on a septic system. I have to go on the roof and thaw them out with a torch to keep the smell out of the house.
    What can I do to prevent this from happening? They are both 4 inch plastic pipes. Only the part above the roof freezes.

  2. #2
    DIY Member student1's Avatar
    Join Date
    Dec 2006
    Location
    Ontario, Canada
    Posts
    43

    Default

    Had same problem some years back. With only two people, the septic system didn't generate much heat. Resolved by insulataing the vent pipe in the attic with 4" fibreglass. Good luck.

    Cheers

  3. #3
    In the Trades kordts's Avatar
    Join Date
    Oct 2005
    Location
    exurban Chicago
    Posts
    551

    Default

    Wrap the the vent in heat tape, if it's metal.

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