Recover the area with polyurethane to provide a fresh finish.
How to get rid of minor scratches on polyurethaned floor.
Additional tips and advice.
Repair minor scratches in the floor s protective coating with floor cleaner and protective finish.
Don t use a foam roller or brush to apply the polyurethane you ll end up with air bubbles in the finish go with a lambswool applicator or natural bristle brush instead.
Follow these steps to repair a minor scratch.
Polyurethane is one of the most commonly used wood sealers for hardwood floors because it is durable and almost impermeable.
A minor scratch is one that has penetrated the surface of the wood underneath the protective coating.
Refinish the board with varnish polyurethane or a similar product to match the rest of your floor.
Do not use wax sticks on polyurethane floors or apply a wax coating of any kind.
This will hide blend the existing scratches and give the new coat of poly something to physically bond to.
Additionally once the protective finish has been broken by a scratch the wood underneath can be irreparably damaged by moisture or deepening of the scratch in the wood.
However this doesn t mean that it s not susceptible to the occasional scuff left from a shoe black soled dress shoes are the most notorious culprit of unsightly scuffs.
Floors that have been finished with polyurethane are resistant to moisture and stains but as with any surface finish they can be scratched.
If you have a small single scratch that s only noticeable when you get close like a scratch caused by an excited pet and your floor has a relatively new finish try a diy home solution first mix equal parts apple cider vinegar and olive oil in a small cup and dab the mixture into the scratch.
I would use a wipe on poly homemade 50 50 mineral spirits poly blend and apply at least 3 or 4 coats over a couple of days following directions on can for timing.
You commonly see these on floors or tabletops with heavy use.
Never wax a polyurethane coated floor.
Wood fillers are available in a variety of colors.
For small scratches try a diy solution.
How to repair scratched wood.
Simply clean the scratch with a damp cloth dipped in hardwood floor cleaner.
Any wood surface with a polyurethane wood finish can develop scratches with normal wear and tear.
These can be used for minor scratches that have penetrated the surface of the wood.
The blend of water or petroleum bases with synthetic resins plasticizers and other film forming ingredients harden over the wood to protect the wood but when the polyurethane is scratched it breaks the protective barrier.