Many floor boards that are warped will need to be removed and replaced.
How to fix bowed wood flooring.
Bowing or warping of floor boards can occur for several reasons.
Again to bring the wood back to its normal shape you must concentrate on the concave section.
How to fix bowed floors.
Warping manifests as gaps between the boards.
This works best for warps that come from humidity or a water spill rather than from a leak that originated below your flooring.
The first method to fix a warped floor is to sand it.
Wood responds to changes in temperature or humidity by warping and that can be bad news for your hardwood floor.
Wood floors usually become warped because of water damage although too much sunlight can also cause boards to warp.
Just like in the other methods you should rinse the paper towels under water and wring out the excess.
Cover the warped hardwood specifically the concave portion of the wood with moist paper towels.
Most often a warped wood floor is caused by standing water or heavy moisture below the floor due to an unidentified leak or other hidden water source.
Sand down the bump in your flooring until it is level with the rest of the floor.
If water has seeped into the boards they may swell against one another which can cause the bow.
Sanding down a warped floor.
Sometimes even a nearby water source like flooding underneath the house can cause enough of a moisture imbalance to result in warping.