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indira

07:08AM | 01/27/03
Member Since: 01/26/03
2 lifetime posts
Bvflooring
Dear Flooring Experts out there!,

Here is the situation I am faced with. I had a hardwood floor installed on top of concrete almost 2 years ago. Last year, the floor started buckling and I asked my contractor to tell me what was wrong and to fix it. He told me I should have put a rug down on the floor so that it wouldn't absorb moisture from the air. He also said that he might not have left enough room for expansion of the wood, so he cut a strip of wood off one side of the floor where most of the buckling was happening. The floor continued to buckle and I noticed it happening in other places as well. He then came back and resanded the floor, then put two coats of finish on it. This was about 2 months ago. 1 month ago, i noticed that some of the boards have started to blacken, when i look closely, i see mold spores -- both white and black. I'm very concerned and need to tell him what to do. When I ask him, he said he didn't know what the problem was. This is how he laid down the floor: Nailed a plywood subfloor on the concrete, laid down paper on top of the subfloor, then laid down the hardwood (beautiful red oak!) -- the hardwood was not prefinished hardwood. I am looking for an expert to help me so that I can tell him what needs to be done. Please help!! A friend told me that it sounds like he didn't install a vapor barrier, could that be the case?
Thanks so much,
Indira

[This message has been edited by indira (edited January 27, 2003).]

[This message has been edited by indira (edited January 27, 2003).]

carpetman

02:11PM | 01/27/03
Member Since: 01/26/03
549 lifetime posts
well here's my opinion,you put in a 3/4 solid hardwood floor. they can only be installed over concrete if you raise the level of the floor (leaving an air space) time to call the contractor board in your area your installer screwed up. when you replace the flooring make sure you have a moisture test done, what happened was your underlayment sucked the water tru (no moisture barrier ?? ) and in to your hard wood flooring. an engineered floor would help

indira

05:29PM | 01/27/03
Member Since: 01/26/03
2 lifetime posts
Hi Carpetman,

Could you explain when you say "contractor board" -- is this an association of contractors who will help resove this with my contractor? I think you are right regarding the vapor barrier. everyone i talked to says this is the problem.

carpetman

12:54PM | 01/28/03
Member Since: 01/26/03
549 lifetime posts
the contractors board (could be state or a city office) will if you request send out one of their inspectors , if the job was improperly installed,they can make your contractor do it over.sometimes if you just mention the words " contractors board" to your installer,things start to happen

beyondkool

12:53PM | 11/06/07
Member Since: 11/05/07
2 lifetime posts
This Question is for Carpetman>>>

Would the Moisture & Mold Problem have been avoided if 6 Mill Visqueen was installed on top of the Concrete,Subfloor next & felt Paper between the Subfloor and Hardwood floor???

This is my plan for my Family Rm.since I too am Prepairing to install over Concrete
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