Use 120 grit paper to sand the finish around a spot from which it has completely worn.
How to sand wood floor lightly for touch up.
A complete sanding removes scratches but beware.
How to finish hardwood floors without sanding.
Hardwood floor sanding diy instructions.
Rather you are removing a thin top layer of poly and then adding on a fresh coat of polyurethane.
If you have an engineered wood floor with a real wood surface make sure the real wood surface is more than 1mm thick sanding usually takes at least this much wood off the surface so a thicker layer is required for a complete sanding.
Sand with the grain and create a scuffed area significantly larger than the spot you re repairing.
Use 150 grit paper if the finish isn t completely worn through or if the floor is finished with oil.
Remove wall hangings light fixtures window coverings and anything else in the area that could be dirtied or damaged by your work.
To sand hardwood floors start by renting a drum sander and installing a coarse grit sandpaper onto the sander which will remove any noticeable damage or old finish from your floors.
Cupboards doorways closets and any other areas or items where you are working should be protected from dust with plastic.
Then sand the entire area at the same angle moving constantly as you work.
If your hardwood floor is only lightly worn damaged or scratched you may be able to refinish it without sanding.
When you buff or screen the floors you do not sand through to the wood.
Use an artist s brush to apply a matching stain to the scratch blotting out the excess with a rag.
This only works on real wood floors not bamboo.
Touch up any scratches in the wood when the floor drys.
Consider these tips for common wood floor repairs.
Wood floors are durable and easy to maintain but they re still subject to accidental gouges scratches and heavy wear.