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Gac66610 10-09-2012 12:12 AM

moisture warped wood floor
 
This is an older home, sub-floor over crawl space.
The wood floor was installed without a vapor barrier so the wood warped.

If we sand the wood floor, and get it back to some what flat, install a vapor barrier under the sub-floor(in crawl space), will this keep it from warping again?

Thanks for any and all replies.

joecaption 10-09-2012 12:57 AM

Going to have to see some pictures to get a better idea how bad it is.
Warping is one thing, slight cupping is something else.

If this is soild hardwood I've never personaly seen one fix it's self just by drying out.

Gac66610 10-09-2012 07:26 AM

Thanks Joe, I think cupping was the only term I could not think of.
Where the edges of the boards have turned up?
It is 1 x 6 pine flooring, it that matters.

I will see if I can get HO to send a picture or two,(it's about 2hrs away).
Its bad, she has thought about covering with carpet, but I think she will still feel the cupped wood.
She does not want to remove it, PITA, we removed the floor in kitchen. She was told it was a floating floor, she was misinformed. major PITA
Floor has settled, from kitchen to living room, about two inches in areas.
Old farm house (1928 I believe), that has been added onto numerous times.

Jim Decker 10-17-2012 06:05 PM

Quote:

Originally Posted by Gac66610 (Post 1027146)
Thanks Joe, I think cupping was the only term I could not think of.
Where the edges of the boards have turned up?
It is 1 x 6 pine flooring, it that matters.

I will see if I can get HO to send a picture or two,(it's about 2hrs away).
Its bad, she has thought about covering with carpet, but I think she will still feel the cupped wood.
She does not want to remove it, PITA, we removed the floor in kitchen. She was told it was a floating floor, she was misinformed. major PITA
Floor has settled, from kitchen to living room, about two inches in areas.
Old farm house (1928 I believe), that has been added onto numerous times.

Moisture testing of the wood will reveal the moisture content of the wood typically should measure 6% to 9% regardless the subfloor cannot be more than 12% and the wood must be within 2%. Using an insulted pin moisture meter when the top and the board and the bottom are within 1% and your humidity less than 55% you can sand and finish and it should be ok. Most mfg's want humidity levels to not exceed 55% or go lower than 30% so you may need to get a humidifier or dehumidifier to control the inside environment.
IF the cupping is .01 to .015 that is considered normal and can be re-mediated.


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