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Apr 2, 2020 at 21:37 comment added Ed Beal I agree with dust being bad and making a mess this is why I use water and a grinding wheel I think it has carbide blocks , and can use a dust collector but even with a water bath trap there is some dust with water on the surface there is no dust when done with a wet surface.
Apr 2, 2020 at 21:04 comment added Ack Tagging on Alaska Man, concrete dust can also contain crystalline silica which is not good for the lungs. More information at these two links 1 nj.gov/health/workplacehealthandsafety/documents/… 2 cdc.gov/niosh/topics/silica/grinders.html
Apr 2, 2020 at 19:50 history edited isherwood CC BY-SA 4.0
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Apr 2, 2020 at 19:44 comment added gbronner There's a dust shroud that surrounds a 9" grinder that connects to your shop vac. I highly recommend it, as it massively reduces the amount of dust emitted. I also recommend taping or removing CO2 sensors and smoke alarms, as the dust can destroy them. There's also a diamond cup blade that works quite well.
Apr 2, 2020 at 19:12 comment added Alaska Man Wet is good. I would add that grinding DRY concrete will create an EXTREME amount of dust that will permeate your entire house if you do not seal off the work area very very well. A respirator is needed, not a mask. A fan in a window will help evacuate the dust, it is very fine and will stay airborne for a long time.
Apr 2, 2020 at 19:03 history answered Ed Beal CC BY-SA 4.0