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Thread: Pole barn roofing and ventilation

  1. #16
    Quote Originally Posted by Jim Becker View Post
    Robert, with 4' spacing on the trusses, the amount of additional framing required to support "normal" batt-type insulation would be substantial, making closed cell spray foam on the bottom of the roofing material a bit more attractive in overall cost plus it adds substantial structural rigidity and air infiltration prevention.
    Yeah, I was assuming he would install a ceiling.

  2. #17
    Join Date
    Mar 2003
    Location
    SE PA - Central Bucks County
    Posts
    49,568
    Quote Originally Posted by Robert Engel View Post
    Yeah, I was assuming he would install a ceiling.
    There are advantages to both open and with a ceiling...both functionally and cost-wise. Personally, I'd do the foam on the underside of the roof and keep the space open, although that has to be figured into heating/cooling cost, too.
    --

    The most expensive tool is the one you buy "cheaply" and often...

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