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  1. #1
    Join Date
    Oct 2008
    Posts
    1

    Angry caulking wood siding

    Should wood siding on the bottom side be caulk prior to paint
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  2. #2
    Join Date
    Oct 2008
    Location
    Palmer, Alaska
    Posts
    4

    Default Re: caulking wood siding

    We just finished the siding on our house and we did not caulk the bottom of the siding, but we did nail the bottom down with a Brad nailer. My husband and I have caulked any open hole and all the siding on the edges and around all the windows. Because if the wind blows the rain it will find a way in and we just had 80 mph winds and it blew the rain sideways.

    Cissy
    Last edited by cissy; 10-13-2008 at 11:35 AM.

  3. #3
    Join Date
    Oct 2008
    Posts
    56

    Default Re: caulking wood siding

    Absolutly, posivitivley, never, ever caulk under the laps on lap siding. One reason is it makes the wall too air tight and will cause mold to form inside the wall. Another reason is that it is a major movement point during expansion and contraction during temperature changes.
    I have seen huge problems created from cauking under the laps, over the years. Architectural engeneers will all agree. Around doors, windows, butt joints of the sidng, sooits and fascias, and corner boards; yes ... under the laps; NEVER!

  4. #4
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,557

    Default Re: caulking wood siding

    I agree with J Roper, No, you do not calk the laps.
    Jack
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

  5. #5
    Join Date
    Sep 2008
    Location
    Upstate NY
    Posts
    19

    Default Re: caulking wood siding

    Have a know-it-all friend do that to his cedar sided house. He thought he knew it all and couldn't be persuaded to leave well enough alone.

    His paint peeled after two years and many of the shakes curled and/or split.

    Don't do it.

    Phil

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