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Reply by crank49

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Posted on Used Floor Sander

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crank49

4032 posts in 3088 days


#1 posted 07-15-2016 06:05 AM

Most of the good floor sanders are 240volt machines and are not DIY type equipment.
My dad was a floor finisher for 50 years. I grew up with saw dust in my hair.
The edge sanders are also called spinners. The tricky part is avoid sanding across grain.
Another tool my dad used on every job was a “Red Devil” floor scraper. He would scrape the areas the spinner could not get into. And also the buffer. His had a 15” disk; very dangerous if it gets away from you.
The overall process was to sand with coarse grit paper, then sand with medium grit paper. Next he would go over the entire floor and “set” any nails that had been exposed and fill the holes with wood putty. Then fine sand and scrape the corners. At this point he would mix the fine dust from the lat sanding pass with shellac and denatured alcohol and rub the entire floor with this filler using burlap. When this dries you put a bristle pad on the buffer and a steel wool pad under that and buff off the filler coat. Now the floor is ready for finish after a good vacuuming. Some of the newer water based finishes won’t work with steel wool buffing but there are alternative abrasives for those finishes. Anyway, after a couple coats of finish he would coat the floor with Johnsons paste wax and buff it off with a lambs wool bonnet on the buffer. All this was a three to four day process and the resulting floor looked like a mirror. Very proud of the work my dad did. He’s been gone for almost 20 years now, but there are hundreds of homes in this town with floors he finished still in use. I live in one of them myself.


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