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sflbon52 10-20-2006 07:11 PM

we have a crawl space over dirt under our house. Leaks in thr 50 year old copper rotted the floors in some places. In replacing the wood, should we put a vapor loc layer between the sub floor and and top floor? What is suggested?

MgMopar 02-27-2007 12:05 AM

The proper placement of vapor barrier would be between the insulation and the heated space. If you do not have any vapor lock or insulation in place, I would think it would be better then none. I have seen many laminate flooring use a vapor lock type membrane beneath them so I would think its fine. I would still recommend insulating the floor at some point.

sfixx 02-27-2007 08:25 AM

Dear S-52, Welcome to the forums :) I don't know where you are writing from but insulation is always recommended between heated and unheated (cooled and uncooled) spaces, and an integral vapor barrier is a good idea too. It's important also that your crawl space have ventilation.

Best wishes,


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