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Old 02-20-2015, 01:59 AM   #1
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Carpet under vapor barrier in crawlspace encapsulation?


Encapsulating a 14 x 28 crawlspace. Would like to use for storage. To protect knees and extend life of plastic, I'd like to unroll old carpet on top of the dirt before putting the plastic down. Is there any reason NOT to do this?

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Old 02-20-2015, 07:45 AM   #2
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Carpet under vapor barrier in crawlspace encapsulation?


Yes. It will be a sponge. Vapor barrier needs contact with the soil or, at maximum, a smaller layer in between.

Is the soil level and free of sharp, puncturing rocks?

Carpet should go on top.

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Old 02-20-2015, 01:11 PM   #3
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Carpet under vapor barrier in crawlspace encapsulation?


Also the carpet would grow mold and would stink.
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Old 02-20-2015, 02:07 PM   #4
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Carpet under vapor barrier in crawlspace encapsulation?


Dirt in this crawlspace is bone-dry and at grade. It actually needed to be wetted to keep dust down for leveling. 4 feet tall, will be used for frequent storage, I'm hoping to save my knees and protect the plastic. 16 mil plastic. Dirt is raked, free of rocks, just want more protection.

Even if the carpet did grow mold and stink, why would it matter? Wouldn't it be encapsulated away? It's old carpet, would prefer not to smell or see it, under plastic seems like a good idea.
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Old 02-20-2015, 05:25 PM   #5
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Carpet under vapor barrier in crawlspace encapsulation?


Use landscape fabric and you can double it over. Then put the plastic over it, then the carpet.
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Old 02-21-2015, 11:14 PM   #6
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Carpet under vapor barrier in crawlspace encapsulation?


"encapsulating it"- are you sealing the crawlspace vents? IF so, you need to supply air from the house to rid it of moisture build-up. Crawls track the ambient air relative humidity. 5 choices; http://www.google.com/url?sa=t&rct=j...59026428,d.cGU

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