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-   -   New Floors and high moisture in the slab (http://www.houserepairtalk.com/f13/new-floors-high-moisture-slab-7961/)

weddingness 11-12-2009 08:22 AM

New Floors and high moisture in the slab
 
Hi everyone, I've got a question which I've posed to multiple people and no one can answer. I'm at a loss and don't know what my next step should be.

Short backstory: I had a flooring company put down new bamboo flooring in March (Dansk Bamboo Fusion). It was glued down with I believe the adhesive is called Bostik's Best (not water based) and supposedly had a moisture barrier in it. By April it began cupping/warping and kept getting worse up until a week ago when it was removed. The flooring company did a moisture reading (after the bamboo was taken up) and said we were "in the red" with humidity in the slab at between 22-100%.

I've had a foundation specialist and a plumber out as well as discussed with a contractor and two other contractors over the phone. No problems with the plumbing or foundation, no cracks, nothing at all. I don't know what else could put the moisture in the slab up so high?! There's no standing water around the foundation either so I don't have any clues where this high moisture is coming from. At first I thought the flooring company may have been jerking me around but I had a 3rd Party come and take a moisture reading and they said it was very high also. The flooring company says they've never seen anything like this before. We're trying to lay new floors down but the flooring company won't do anything until the slab dries out. So as with all renovations we're living in a construction zone until we figure something out.

Right now we're waiting to get back to the flooring company. They suggested putting a sealer on the concrete - some sort of sealer by Mohawk and then putting the new flooring on top of that. We're going to go with an engineered wood from BellaCera this time instead of the bamboo. Any thought if this is a good direction to go or should I worry about the floors cupping again?


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