Protect yourself from the dust by wearing a dust mask and safety goggles.
What grade of sandpaper for hardwood floors.
Be sure the paper is properly installed and be prepared to change it regularly.
Use it for extremely rough surfaces when wood has dips gouges.
For example 60 grit sandpaper is the roughest sandpaper typically used on wood.
A lower number means coarser and more abrasive.
In most of my projects i have always started with a rough grade 50 grit followed by a medium one 120 then a fine 240 grit one or more for the finishing.
Initial efforts in hardwood floor sanding.
Decide on the grade of sandpaper that you are going to need.
As you begin sanding remember never to turn the sander on while the sandpaper and drum are touching the floor.
Besides the grits and grades sandpaper is made out of materials that vary chemically.
Sandpaper grit designations might be the opposite from what you think.
This is usually the final grit for maple birch or other particularly hard woods and for any floor that you would like to stain.
The heat will melt the old finish and this clogs the sandpaper.
Takes out 60 or 80 grit scratch.
More facts on sandpaper types.
Can take out the scratch from 120 grit or 100 grit sandpaper if necessary.
This is usually the final grit for most standard hardwood floors.
Sandpaper for power sanding is sold in.
Use a coarse grade in the beginning unless the floor is in very good condition.