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Moisture from floor

7 replies [Last post]
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Joined: Nov 6 2005

The bay area is noted for damp earth and wondering if there is a product I could put over the cement floor before installing the floating floor to reduce moisture or would a light coat of cement be the only option? Are there people who perform this service? Thanks :(

tom
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Joined: Mar 23 2003

I would use a plastic vaper barrier that is the safest way to go.

Joined: Mar 2 2004

The application of a vapor barrier is as easy as rolling paint on the floor. First, you might try to help the roof drain away from the house. This might include fixing downpipes and even reshaping soil near the house. It's important that new concrete slopes slightly away from the foundation.

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Joined: Nov 6 2005

Thanks Randy & Tom for the quick reply. Where can I purchase the plastic vapor barrier and how thick should it be? Is this the heavy black mil plastic I see in the hardware stores? Thanks again Angela

Joined: Mar 2 2004

Your flooring people can recommend a good product that has a history with them. I think you'll end up using something out of a can....not a sheet. Good Luck

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Joined: Dec 11 2005

Make sure you give it a good 24 hours to completely dry before having the floors put in. Also ensure you get a 2 in 1 underlayment which also has a moisture barrier.
!!!The roll on application smells VERY bad so make sure you do not need to be in the house that day.

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tom
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Joined: Mar 23 2003

I would use a 6mil plaster vapor barrier and seal any cracks you have on your fondation before they do the floor.

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Joined: Mar 22 2003

You might also try posting an inquiry over at the flooring forum at http://www.thathomesite.com

Very active site with both DIY'ers and professionals hanging out. Many have gotten good flooring advice and information from them over the years. Just be sure to be as specific as you can about your situation.

Cathye

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