Belt sanders make an ideal choice when working on renovating hardwood flooring. When you have a lot of area to sand, high quality belt sanders can cover large surface areas very quickly due to their powerful motor and large sanding belt size.
If the hardwood area is varnished then a courser grade of grit ( 60 – 80 ) should be selected for the sanding belt to enable varnish removal, working down to a finer grade of grit ( 100 – 220 ) for the final finish.
Belt sanders come in different belt size options, if sanding large areas such as hardwood flooring then the bigger 4 inch belt size belt sander should be your preferred choice.