There are many different types of wood floor fillers.
Poly wood floor has holes.
Now back to the floor.
Sometimes the best strategy may be to hide them with wood stain and clear finish or just let them be and add to the character of the floor.
You ll find it in.
Those from the factory and those applied on site.
Alternatively use a touch up polyurethane repair kit following manufacturer.
The former is usually the more durable of the two.
These are emergence holes made by adult beetles leaving the wood.
New flooring is installed and finished and then months or even years later small holes develop.
Remove the excess wax and buff the floor.
Most hardwood floors have been dried and aged but were part of a tree and then board at one time.
I have seen what you described many times.
Oil based polyurethane has a slight amber or yellowish tint and can yellow even more over time which adds a bit of rich warm amber color to the floors if that s your goal.
Some are designed for general application where others are more specific.
When filling nail holes in prefinished hardwood floors becomes necessary you have many options ranging from latex and epoxy fillers to homemade ones made with glue and sawdust.
If you take a close look at any prefinished wood flooring right out of the box you will see that it has been filled.
All polyurethane finishes are water resistant but flooring professionals advise using water sparingly if at all for cleaning.
All hardwood floors get filled during installation sanding finishing and use.
Don t ever wax a wood floor that has been coated with a polyurethane finish this will make it impossible to re coat in the future without having to sand the floor first.