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Author Topic: Concrete grinding disc?  (Read 356 times)

January 23, 2017, 06:57:58 AM
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GulfcoastOG

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Concrete grinding disc?
« on: January 23, 2017, 06:57:58 AM »
Does anybody have any experience using a concrete grinding disc to make quick work of knocking down gel coat and old glass?

January 23, 2017, 10:26:03 AM
Reply #1

love2fish

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Re: Concrete grinding disc?
« Reply #1 on: January 23, 2017, 10:26:03 AM »
I think the preferred method is to use a flap disc, (layered sandpaper on a grinding disc).

should be able to work thru gelcoat pretty quickly with some 40grit. Same for the glass.

wear a mask, googles, gloves, and cover up.
Chris
\'74 22-2
Member #921

January 23, 2017, 11:38:47 AM
Reply #2

RickK

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Re: Concrete grinding disc?
« Reply #2 on: January 23, 2017, 11:38:47 AM »
Yup, ^^ what he said. A flap sanding wheel will eat it up. You might be able to find it in 26 grit also.
Rick
1971 "170" with 115 Johnson (It's usable but not 100% finished)

1992 230 Explorer with 250 Yamaha

January 24, 2017, 08:17:12 PM
Reply #3

Levi

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Re: Concrete grinding disc?
« Reply #3 on: January 24, 2017, 08:17:12 PM »
 Agreed we use the "flapper wheels" at work and I got  sleeves of them in 40 80 and 120 grit on the last job. They work AWESOME but I find the 40 grit is too aggressive for delicate tasks

 


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