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    vapor barrier question

    I'm insulating my detached garage which will be heated in the future. Most of what I've been reading is saying put a vapor barrier on the walls, but I'm getting conflicting signals on the ceiling. A guy at Menards told me today that you should not do it on the ceiling because you need a place for the moisture to get away.

    Anybody have some good ideas?



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    Re: vapor barrier question

    Dont do the ceiling.


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    Re: vapor barrier question

    Quote Originally Posted by kingcy View Post
    Dont do the ceiling.
    yup, thats why they have roof vents, or a lot of houses vent out under the roofs by the gutters.



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    Re: vapor barrier question

    Quote Originally Posted by kingcy View Post
    Dont do the ceiling.
    I agree, no ceiling. I say open the garage to the sky. Fresh air, great views and no pesky roof maintenance.



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    Re: vapor barrier question

    Quote Originally Posted by Bobber View Post
    I'm insulating my detached garage which will be heated in the future. Most of what I've been reading is saying put a vapor barrier on the walls, but I'm getting conflicting signals on the ceiling. A guy at Menards told me today that you should not do it on the ceiling because you need a place for the moisture to get away.

    Anybody have some good ideas?
    I have been in building (Post frame) business for almost 20 years. Is it metal sides and roof? Sheeting and shingles, with house type siding ? Usable Attic? Does it already have housewrap? Is the attic vented? Are you insulating the ceiling or roof of attic? Trusses or rafters? It all makes a difference. If the building has some age it might not have a ceiling load for a ceiling any way. Your local codes could dictate that any way. What are you insulating with, fiberglass? Pm me with details on how it is built. I can help.


    Last edited by mkadl; 04-13-2009 at 02:31 AM.

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    Re: vapor barrier question

    Quote Originally Posted by balken View Post
    I agree, no ceiling. I say open the garage to the sky. Fresh air, great views and no pesky roof maintenance.
    This is why I love CF! I never thought of doing something like this until I read it on CF. The advice here is awesome!


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    Re: vapor barrier question

    Quote Originally Posted by Bobber View Post
    I'm insulating my detached garage which will be heated in the future. Most of what I've been reading is saying put a vapor barrier on the walls, but I'm getting conflicting signals on the ceiling. A guy at Menards told me today that you should not do it on the ceiling because you need a place for the moisture to get away.

    Anybody have some good ideas?
    My guess is that the gigantic hole in the garage wall (read this as overhead door) will allow any moisture to adequately escape, along with the attic scuttle hole in the ceiling (provided there is one).


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    Re: vapor barrier question



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