When walking on wood floors, special at night when have a lot of silence, you may be facing a noise floors, squeaking to be more exact. We have an approach in those king of noise inconvenience. Hardwood floors squeaks because wood floors board moves and when touching each other. In some situations the best option is to put some finishing nails in the seams of floors board and in the middle.
Here I add some photos of squeaky wood floors fix process:
After noise is identified and nails are in place, we cover it with wood filler and quick remove excess with wet rag. Those floors in the pics are token in a refinish process, it was before last coat.