Start at one end of the room and sand with the grain.
How to floor varnish.
If you want to change or improve the floor color apply a stain.
Apply the stain with a foam applicator pad in the direction of the wood grain.
Depending on the condition of the floor you may need to start sanding with a coarser sandpaper.
This will ensure that the varnish looks natural.
Fill in any gaps in the floorboards if you need to or want to.
Pour a small amount of varnish onto the floor starting in the corner farthest from the door.
Use less coarse sandpaper usually around a 120 to 150 grit abrasive to get a lovely smooth finish.
Work one manageable area at a time such as four square feet.
Choose an interior wood stain based on the color you desire and the type of hardwood flooring you have.
Instructions and help on how to varnish your wooden floor.
Use a long handled roller to spread the varnish first in the same direction as the grain then across.
Use your brush to apply the new oil based varnish to the floor.
When making the strokes try to follow the wood grain.
How to prepare varnished floors lightly sand your floor with 120 grit sandpaper.