A higher number means a finer softer sandpaper grit.
What grit sandpaper for sanding wood floors.
Sandpaper grit designations might be the opposite from what you think.
Takes out the scratch from 60 grit sandpaper.
Do not skip the progression from coarse grades to finer grades.
Use it for extremely rough surfaces when wood has dips gouges.
Drum sanders are the most effective sanding tools for sanding wood floors.
Not intended to be used as a starting grit.
Fine sandpapers range from 120 to 220 grit.
Using the drum sander with the initial grit sandpaper.
For example 60 grit sandpaper is the roughest sandpaper typically used on wood.
This grit should remove all over wood and make the floor flat.
Using the edger with the initial grit sandpaper.
This is usually the final grit for most standard hardwood floors.
A lower number means coarser and more abrasive.
The lower the grade the rougher the sandpaper.
None of it is rocket science but it will help you to read through all the sanding pages including first things first working with sanders and edgers and the sanding faq before you begin.
Start with coarse sandpaper of 36 to 40 grit progress to a medium 60 grit paper and finish with a finer 100 grit.
This grit takes out the scratch from 36 grit sandpaper but does not remove much wood.
Sanding a wood floor is a multi step process.
Replace the abrasive belt after sanding about 250 square feet for most effective results.