Warping manifests as gaps between the boards.
How to fix warped engineered floor boards.
To avoid warped floors choosing a laminate or engineered wood floor might be a better option over solid wood.
How to fix bowed floors.
Solid woods expand and contract with humidity changes and water leaks affecting the shape of your boards.
Many floor boards that are warped will need to be removed and replaced.
Laminate and engineered woods are manufactured to resist humidity changes leaving them the same size forever.
Wood responds to changes in temperature or humidity by warping and that can be bad news for your hardwood floor.
If water has seeped into the boards they may swell against one another which can cause the bow.
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.
Sanding down a warped floor.
How to straighten 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.
This works best for warps that come from humidity or a water spill rather than from a leak that originated below your flooring.
Wood floors usually become warped because of water damage although too much sunlight can also cause boards to warp.
Bowing or warping of floor boards can occur for several reasons.