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  1. #1
    Join Date
    Jan 2008
    Posts
    21

    Default Insulating Attic Storage Floor / BR Ceiling

    I have a downstairs bedroom that is below an attic storage space.

    The storage space is four feet wide by fifteen feet long and is above one end of the bedroom.

    The is no insulation between the two. Only tongue and groove boards as the BR ceiling/storage area floor. The storage area does have a foam pad with carpet over the foam.

    On cold days you can feel cold air coming down through the spaces in the tongue and groove boards.

    What is the best way to provide more insulation or vapor barrier between the two floors?

    I have though about trying this:

    - rolling back the carpet and pad.
    - caulking the board seams.
    - installing roofing paper or a wood flooring vapor barrier.
    - reinstalling the foam pad and carpet.

    Will this work or is there a better method.

    Regards

  2. #2
    Join Date
    Jan 2008
    Posts
    21

    Default Re: Insulating Attic Storage Floor / BR Ceiling

    No ideas?


    Regards,

    Earnie

  3. #3
    Join Date
    Dec 2007
    Location
    MN
    Posts
    455

    Default Re: Insulating Attic Storage Floor / BR Ceiling

    I'm trying to understand your set up.
    The way I read this is the bedroom ceiling has tongue and groove boards attached to the joists?
    There is no insulation above this and in the attic there are tongue and groove boards attached to the tops of the same joists covered by a carpet with an underpad?

  4. #4
    Join Date
    Nov 2007
    Location
    Sand Springs, OK
    Posts
    467

    Default Re: Insulating Attic Storage Floor / BR Ceiling

    Don't caulk the tongue and groove it needs to have the ability to move and expand. take one side out and insulate it. Spray foam is best but bats of insulation would be fine too.
    Debby in Oklahoma

  5. #5
    Join Date
    Jan 2008
    Posts
    21

    Default Re: Insulating Attic Storage Floor / BR Ceiling

    Let me see if I can clarify a bit.

    The bedroom ceiling is T&G boards on top of 6"x8" solid wood beams (log house) with the beams spaced on 24" center.

    Above a small portion of this downstairs bedroom is a crawl-in storage area. The storage area is off the upstairs bedroom. There are two bedrooms, one above each other. A small area off the upstairs bedroom has the small storage area.

    Now, the storage area floor is foam pad with carpet on top of T&G boards (floor for storage area, ceiling for down bedroom). If you look up at the down bedrooms ceiling, it is the floor for the up bedroom and storage area.

    The issue is, the storage area is not conditioned space. Not really an "attic" space since the walls and ceiling (roof) is insulated with batting. THe problem is, the colder air in the storage area naturally penetrates the carpet and foam pad into the down bedrrom making it colder than it should be.

    What I would like to is provide some type of added insulating value to the storage area floor. Adding batting is not an option to either the storage floor or down bedroom ceiling.

    If caulk or silicone is out, what about a vapor barrier, similar to what is used on wood decking prior to installing hardwood flooring?

  6. #6

    Default Re: Insulating Attic Storage Floor / BR Ceiling

    Consider this product
    http://www.radiantguard.com/

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