Insulation, Radiant and Vapor Barriers - floor insulation

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01-23-01, 01:10 PM
i recently moved in a single story brick home(1500 sq. ft.)with a crawl space under the house. the floors are carpeted, and there is insulation installed against the floor under the house. however, with respect to the vapor barrier, i noticed the insulation is installed backwards. is this a bad thing? is it serving a good purpose as is, or should i reverse it(tough job), or add more over the existing? i live in charleston, sc, and we don't have long periods of freezing weather. tks, agee

Jack the Contractor
01-25-01, 05:50 AM
What do you mean your insulation is installed backwards. Please explain.
01-25-01, 09:43 AM
the vapor barrier paper is not against the boards.

01-26-01, 10:16 AM
the paper vapor barrier is not against the floor bottom, it's facing outward. agee