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Old 09-13-2007, 10:24 AM   #1
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How to sand concrete?


My house has a poured concrete foundation which sits 4' above grade. The previous owner did some patch work on many cracks, but he did't do a very good job. I would like to sand it down so the surface is more even.
Is there a tool for this?

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Old 09-13-2007, 11:57 AM   #2
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How to sand concrete?


I've seen grinders used but it didn't look like much fun. Use a really good dust mask and eye protection.

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Old 09-13-2007, 04:22 PM   #3
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How to sand concrete?


I looked at grinders at Home Depot.

I'm not sure how they could be used since the thin part of the grinder wheel which doesn't cover much surface area when it comes to sanding. Unless I'm able to use the flat circular part of it. But I don't think you can.

Am I missing something?

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Old 09-13-2007, 04:33 PM   #4
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How to sand concrete?


I'm pretty sure they were specialized concrete grinding wheels. A tool rental outfit might have the appropriate grinder and wheels. It might cost a lot cause you'll generally have to pay for wear on concrete cutting/grinding equipment and concrete creates a lot of wear. Make sure you find out the full cost up front if you wear out a wheel.
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Old 09-13-2007, 09:16 PM   #5
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How to sand concrete?


We use 4 1/2 inch grinders with a diamond cutting wheel for concrete work. You can use them at an angle just like a regular grinding wheel. A regular grinding wheel for masonry is also available. This is dirty work requiring respiratory, face, and hearing protection. I would also wear gloves and coveralls. It's alot like fighting someone armed with a sandblaster. Keep in mind that these little grinders spin fast, like 10,000 rpm or more so use caution. I had a wheel come apart once and a piece of it went through a metal roof 25 feet away. Be careful.
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Old 09-14-2007, 06:59 AM   #6
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How to sand concrete?


mediablasting is another way to do it...............

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