However heavily cupped wood cannot be sanded down flat.
Floor warped will sanding correct.
If the boards are still warped they will need to be replaced.
If you know that the source of your warping comes from humidity changes or a water spill and not an underlying leak then sanding the solid wood floor might be a good option.
Filling gaps and voids unless raw flooring is kiln dried or of the highest quality some boards are likely to be warped and some edges less than perfectly straight.
Sanding down a warped floor.
Floor sanders feature large belts drums or orbital sanding plates that can efficiently remove old varnish on hardwood flooring or grind down warped wood flooring.
Sand water damaged wood flooring.
This is called cupping heavy sanding with a drum or orbital sander can actually take down some minor high areas.
Besides the visible warping of your hardwood floorboards the floor could fail.
This requires an aggressive sanding technique that may cost a floor up to inch of its thickness.
The first method to fix a warped floor is to sand it.
Sand down the bump in your flooring until it is level with the rest of the floor.
A dehumidifier is great for humidity in the air but wet warped floors need a more direct and aggressive approach to avoid lasting damage.
The cupping could continue to worsen and create gaps between the boards.
Subsequent sanding with progressively finer grits of sandpaper prepare the floor for a finish and each pass removes more wood.
Fixing bowed floating floors examine the bowed floor and find the nearest wall that runs parallel to the warped boards.
What happens if cupping doesn t get fixed.
To fix a floor with crowning you must find and correct the issue that is causing excessive moisture which can include leaks wet slabs or improper hvac usage.
Sanding is the only way to correct these problems.
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.
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.
Keep in mind that this will require an aggressive.