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  1. #1
    Join Date
    Jan 2008
    Posts
    6

    Cool Insulating a vaulted ceiling

    I am building a small cabin and looking for proper info on insulating a vaulted ceiling. The roof has a metal roof over 30# tar paper on 1/2 plywood decking.Rafters are 2x8 on 16" centers. What are my options and the best way. Thanks Gary

  2. #2
    Join Date
    Jun 2007
    Location
    Fayette County, Ohio
    Posts
    5,821

    Default Re: Insulating a vaulted ceiling

    Gary,
    If I was doing it I would put a sandwich on the roof. Plywood, 1" 0r 2" ridged foam, and another layer of plywood. I would also prefer to use 3/4" plyat least for the first layer, less chance of sagging over time.
    Jack
    Last edited by JLMCDANIEL; 02-24-2008 at 11:48 AM.
    Be sure you live your life, because you are a long time dead.-Scottish Proverb

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