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Question DetailsAsked on 12/6/2011

My house, built in 1976, has a dirt crawlspace. Does it really need to be encapsulated? or are all the ads just fear mongering?

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1 Answer


Only fix problems that exist.

If you are not having problems associated with your crawlspace, leave it alone.

In the 1970s they were still building with creosote treated lumber, especially beams. This treatment prevented rot and repelled termites, etc. The practice stopped when it was learned that creosote had other toxins that could leach out. It is possible some timbers / beams in your crawlspace have this treatment.

If you do not have moisture problems, don't smell the creosote or other bad smells and everything else is okay; leave your crawlspace alone.

There is no need to encapsulate a dirt crawlspace just to do it. It is a solution to a problem--only do it if you have the problem(s).

Best wishes.


Answered 8 years ago by Kenny Johnson

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