We call this process rough cutting.
What grit of sandpaper for hardwood floors.
For most floors 36 grit sandpaper is a good place to start.
Use the edger using the same grit you just used on the drum to sand all the areas that the drum couldn t reach repeat steps 4 through 6 until you have sanded the entire floor through 80 grit or 100 grit for maple floors or oak floors that will be stained.
Replace the abrasive belt after sanding about 250 square feet for most effective results.
Once the entire room is down to bare smooth wood switch to a medium 80 grit sandpaper.
More facts on sandpaper types.
The medium grit paper smooths the floor by removing the visible lines from the coarse sandpaper.
You ll often need to even out the sandpaper by putting sandpaper shims in the drum s loading slot.
Best answer for either soft or hardwoods start around 50 grit and gradually step down to 120 grit.
Can take out the scratch from 120 grit or 100 grit sandpaper if necessary.
They feature mid to low grit numbers.
Don t be afraid to use new belts and more than one.
This is usually the final grit for maple birch or other particularly hard woods and for any floor that you would like to stain.
Macro grits are a class of abrasives that range from medium to coarse sandpaper calibers.
Sanding wood floors refinishing yourself will definitely save money and even an inexperienced homeowner can likely do a better job than the lowest bidding handyperson who quotes on it once you understand the basics a quality final result on your wood floor is more about patience than anything else.
Use overlapping strokes by at least 1 3 the belt width to remove scratches.
Do not skip the progression from coarse grades to finer grades.
Macro grit sized sandpapers are commonly used on tougher wood and metals and have a stronger clearance.
On older floors the first step when sanding is to choose an aggressive grit like 24 grit per square inch to level the boards one to another and remove imperfections if possible.
If your floor does not have serious damage and only has a thin layer of finish you may be able to skip this step and start with 60 grit sandpaper instead.
The result is a fresh new looking wood floor.
This is usually the final grit for most standard hardwood floors.
Takes out 60 or 80 grit scratch.