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    rlsm15384's Avatar
    rlsm15384 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Sep 3, 2010, 03:53 PM
    Floor insulation
    I am building a cabin in NE Texas, I can not find anything on insulating the raised floor except closed crawl space. I want an open crawl space but would like to use 1/4 inch PT plywood on bottom side exposed to out side to keep out the varmints and minimize bugs. Would I use pressure treated wood on out side, then house wrap, then insulation, then inside T&G flooring? And no vapor barrier insulation by using the house wrap. Or am I way off base here. Has anyone had any experience with this type of setup. My wife hates bugs inside
    Thanks for any info RLS
    Catsmine's Avatar
    Catsmine Posts: 3,826, Reputation: 739
    Pest Control Expert
    		  
    #2

    Sep 3, 2010, 05:25 PM

    Look into TAPS insulation. It's a sealed roll insulation with an insecticide impregnated wrapper. It seems to be a good bit more effective than PT wood, but I don't know about longevity.

    http://www.tapinsulation.com/
    manhattan42's Avatar
    manhattan42 Posts: 143, Reputation: 11
    Junior Member
    		  
    #3

    Sep 3, 2010, 05:48 PM

    NE Texas is a 'hot, moist' climate and there should be no vapor retarders used at all.

    Or if used, vapor retarders should be on the exterior side of the floor or wall assembly.
    ----
    Housewrap is fine but remember, housewrap is an air barrier, not a vapor retarder.
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