Wood floors usually become warped because of water damage although too much sunlight can also cause boards to warp.
How to fix warped engineered floor boards.
How to fix bowed floors.
Sanding down a warped floor.
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.
The first method to fix a warped floor is to sand it.
Sometimes even a nearby water source like flooding underneath the house can cause enough of a moisture imbalance to result in warping.
Bowing or warping of floor boards can occur for several reasons.
Warping manifests as gaps between the boards.
Laminate and engineered woods are manufactured to resist humidity changes leaving them the same size forever.
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.
Over the course of time this will lead to warping.
Wood responds to changes in temperature or humidity by warping and that can be bad news for your hardwood floor.
This works best for warps that come from humidity or a water spill rather than from a leak that originated below your flooring.
Many floor boards that are warped will need to be removed and replaced.
Water causes the wood to expand and shrink.