vapor barrier question

Discussion in 'Off-Topic' started by Bobber, Apr 12, 2009.

  1. Bobber

    Bobber Well-Known Member

    Apr 12, 2006
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    Hudson, Iowa
    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?
     
  2. kingcy

    kingcy Well-Known Member

    Sep 16, 2006
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    Menlo, Iowa
    Dont do the ceiling.
     
  3. JP4CY

    JP4CY Well-Known Member

    Dec 19, 2008
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    yup, thats why they have roof vents, or a lot of houses vent out under the roofs by the gutters.
     
  4. balken

    balken Well-Known Member

    Apr 14, 2006
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    I agree, no ceiling. I say open the garage to the sky. Fresh air, great views and no pesky roof maintenance.
     
    • Like Like x 1
  5. mkadl

    mkadl Well-Known Member

    Mar 17, 2006
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    #5 mkadl, Apr 13, 2009
    Last edited: Apr 13, 2009
    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.
     
  6. dosry5

    dosry5 Well-Known Member

    Nov 28, 2006
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    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! :yes:
     
  7. Cycloin

    Cycloin Well-Known Member

    Feb 5, 2009
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    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).
     
  8. Clones21

    Clones21 Well-Known Member

    Jan 20, 2008
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