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jb07 11-25-2008 03:39 PM

apoxy on concrete
We have a garage floor with epoxy paint that is peeling off due to oil on ground. What is the best way to remove the paint?

slickshift 11-25-2008 05:00 PM

Renting one of these:

It's heavy and slow, but in the long run, it works best

Nestor_Kelebay 11-25-2008 05:19 PM

Slickshift: What exactly is that thing called?

JB07: Or hiring a guy with one of these:

This man is sanding the polyurethane off of a wooden gymnasium floor with a floor machine. In this case, this is a modified Centaur Rabbit 3 floor machine called a "Woodpecker". Basically, it's a Rabbit 3 floor machine with an optional fluorescent light and a modified skirt so that you can vaccuum up the sanding dust as it's created. (Note that there is one electrical cord going to the floor machine and another electrical cord going to the vaccuum cleaner.) EVERY company listed under "Janitorial Services" in your yellow pages will have at least one floor machine similar to the Rabbi 3 pictured above. However, it will be necessary to drill a hole into the blue plastic skirt at the bottom of the machine to vaccuum out the dust created.

Read my post on much the same subject at:

Everything written there was what I did to sand the epoxy paint off my sister's concrete basement floor.

Nestor_Kelebay 11-25-2008 05:30 PM

Or, instead of vaccuuming up the dust, you could wet the floor down with a garden sprayer, sand it down with a rented floor machine, and use an ordinary wet/dry vaccuum cleaner to vaccuum up the dirty water.

That would completely avoid having to get a vaccuum cleaner involved, and that would avoid having to modify the skirt on the floor machine.

slickshift 11-25-2008 06:26 PM


Originally Posted by Nestor_Kelebay
Slickshift: What exactly is that thing called?

I probably should have mentioned that eh?

It's a Floor Grinder/Scarifier

Works well for decks too (but you'd better set those nails! they'll mess up the mesh screens it uses pretty good)

Bring a friend when loading/off-loading (or have the rental place deliver)...they are heavy even w/o that weight collar on them

Nestor_Kelebay 11-25-2008 07:05 PM

Wow. I Googled "Floor Grinders" and that thing is meant for grinding scratches and such out of concrete and granite floors. It should grind epoxy paint off a concrete floor quite easily.

In my sister's basement floor, I went though about fifteen 17 inch diameter 60 grit sanding disks, and her floor was about 15 feet by 20 feet, and each disk cost me about $12. I'm wondering if I shouldn't have rented one of these floor grinders, but I expect getting that sucker down and up a flight of steps woulda been a feat in itself.

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