Insulating Floor

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Posted by: from Marmora
8/14/2008 at 4:29:32 PM

The original portion of our house (approx. 700 sq. ft.) is built on posts with a poured concrete exterior wall (there are vents in the walls for air circulation); it initially was a cottage. There is no access under the floor to allow us to properly insulate the floor using batts, vapour barrier, etc.; the floor is very cold in the winter. Is there a type of insulation that could be blown in that would not break down due to absorption of moisture from the ground?

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Date/Time9/7/2008 at 7:31:16 PM

There is an insulation that would provide what you're looking is a sprayed foam. It also provides a vapour barrier. It is pricey and would be especially so in the application you describe. If you want a less expensive option, why not cut a hole and install an access panel in the floor?

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