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Should we seal our concrete basement floor before putting flooring on top? Is there one that's low or no VOC?

by LiveModern Webmaster last modified Jan 04, 2012 02:09 AM
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by last modified Aug 22, 2011

We will be installing a floating floor in our below-grade basement, so we can use it as a family room. Currently, there is only a fairly new concrete slab in good condition; the walls are sheetrock over concrete block. The basement stays dry (we have a sump pump), although the humidity level is a little higher than we would like. We'll be putting in a dehumidifier to control it. The flooring is Easy Loc (Marmoleum). We know we have to put down a 6 ml vapor barrier but should we also seal the concrete to further reduce the amount of moisture? If we do, what sealant could we use that's low or no VOC? There's not a lot of ventilation in the basement, just two awning windows. Thanks for any suggestions you may have.




 

 

We will be installing a floating floor in our below-grade basement, so we can use it as a family room. Currently, there is only a fairly new concrete slab in good condition; the walls are sheetrock over concrete block. The basement stays dry (we have a sump pump), although the humidity level is a little higher than we would like. We'll be putting in a dehumidifier to control it. The flooring is Easy Loc (Marmoleum). We know we have to put down a 6 ml vapor barrier but should we also seal the concrete to further reduce the amount of moisture? If we do, what sealant could we use that's low or no VOC? There's not a lot of ventilation in the basement, just two awning windows. Thanks for any suggestions you may have.

Yes. You should always seal concrete with a moisture barrier primer sealer or paint.

  • Use low VOC or non VOC if possible. Any store should carry low voc concrete sealer.
  • Use a clear...



 

 

 
 
 

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