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  1. #1
    Join Date
    Nov 2009
    Posts
    2

    Default condensation on interior walls

    hi
    We live in Calif. and recently purchased a small block house built in 1948. We are renovating it to use as a guest house.
    Recently the weather turned cold and we used a propane heater to warm the interior so we could work. The inside walls on the west side of the house got very wet with condensation.

    The interior walls have already been completed and all the trim is done on the doors and windows so we can't fir out the walls and insulate them (which we wish we had done).

    Is there anything we can do to stop the condensation? We thought perhaps if we keep the house warm - the walls will get warm and it won't be a problem. But...that's only speculation.

    Any ideas? Thanks!! Dan and Kathy

  2. #2
    Join Date
    Jun 2007
    Location
    near St. Paul, MN
    Posts
    166

    Default Re: condensation on interior walls

    When you burn propane the combustion products are carbon dioxide (and possibly carbon monoxide if combustion is not complete) and water. The condensation is from the humidity being too high from all the water you are putting into the air. You'd be better off (and a lot safer) to get a heater where the combustion products are vented outside.

  3. #3
    Join Date
    Feb 2009
    Posts
    693

    Default Re: condensation on interior walls

    Quote Originally Posted by SherryH View Post
    When you burn propane the combustion products are carbon dioxide (and possibly carbon monoxide if combustion is not complete) and water. The condensation is from the humidity being too high from all the water you are putting into the air. You'd be better off (and a lot safer) to get a heater where the combustion products are vented outside.
    Seems to me SherrH is one smart cookie. I have noticed the same even in high and dry CO when using temp propane heaters.

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