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General Discussion>How to Grind Concrete?
mosesbotbol 12:12 PM 03-21-2020
How do you recommend grinding or sanding down the casting marks on concrete as pictured below? I eventually want to paint concrete white, but want it to look better than that.

Ideas, tips?

Image
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Brandon 12:40 PM 03-21-2020
get an angle grinder and concrete grinding pads. easily found online
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kydsid 02:41 PM 03-21-2020
I'd wash the wall, fill imperfections if any I don't want with patching mud, sand, then skim coat with stucco. Probably an acrylic stucco.

I've sanded concrete before, never again, heh.
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retired 05:18 PM 03-21-2020
grinder method works very well...be sure to wear a breathing apparatus and eye protection.
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markem 06:13 PM 03-21-2020
Originally Posted by retired:
grinder method works very well...be sure to wear a breathing apparatus and eye protection.
This. That stuff is nasty if inhaled. My advice would be to wet sand it to keep down the dust.
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mosesbotbol 02:14 PM 03-23-2020
Thanks. Is the wet sanding just having a hose over it while grinding?
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