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Old 07-26-2012, 03:30 PM
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Default Grinding high spots on oven floor

Hi all,

Anyone have a recommendation on what to use for grinding down high spots on oven floor? I have a 4" angle grinder, but the diamond blade grinder I have is too aggresive. Just have a couple bricks that are 1/16" higher than others and worry about peel chipping corners off later, want to take care of this before dome gets closed up. Thanks, pat
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Old 07-26-2012, 03:43 PM
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Default Re: Grinding high spots on oven floor

You can buy 50 grit diamond pads in four inch. Keep the surface of the brick wet when using diamond pads.

You can also get grinding stones for a four inch grinder and this may be your best bet. These stones last forever and have many uses.
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Old 07-26-2012, 03:49 PM
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Thumbs up Re: Grinding high spots on oven floor

Hi Pat,
you can get sanding discs for your grinder whether course or medium to take your slightly high spots off. The firebricks are not really that hard but you may use a couple of discs to achieve your goal. In my build, I used a special disc in my 9" grinder to finish the floor and to sand my slab of granite that I use to roll and prepare my bases. It is photographed and rather worn out but it did the job and did it well.

See: http://www.fornobravo.com/forum/f21/...-4-a-2045.html (Neillís Pompeii #4)

for the disc in permalink #8 and the slab in #12.

Cheers.

Neill
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Old 07-26-2012, 04:46 PM
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Default Re: Grinding high spots on oven floor

Pat,

Do you have access to a belt sander? Thats what I used - a little easier to control. It took a few belts but it was smooth as a baby's butt.
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Old 07-26-2012, 07:49 PM
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Default Re: Grinding high spots on oven floor

Thanks gentlemen, sounds like a good ideas all the way around. Les I do have a belt sander, do they make a paper rated for brick sanding, what grit level did you use.
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Old 07-26-2012, 07:54 PM
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Default Re: Grinding high spots on oven floor

Quote:
Originally Posted by irelande5 View Post
Les I do have a belt sander, do they make a paper rated for brick sanding, what grit level did you use.
I believe I used 50 grit - just the standard stuff. You will blow through a few belts but it gets the job done.
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Old 07-26-2012, 08:10 PM
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Default Re: Grinding high spots on oven floor

great thanks Les
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Old 07-26-2012, 08:12 PM
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Default Re: Grinding high spots on oven floor

Hey Les, was thinking about using a quarter circle for form like you did on your build, what's the best way to set that up? Is that just a 21" half circle (building a 42"_)
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Old 07-26-2012, 08:37 PM
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Default Re: Grinding high spots on oven floor

Yes. I attached a nail to go into a centerline hole in the hearth. Since brickwork is not perfect, I had to notch the vain every course so it wouldn't hang up as it turned. I used this approach before the "tool" evolved. It may be an easier approach.
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Old 07-29-2012, 09:42 AM
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Default Re: Grinding high spots on oven floor

Great, thanks Les
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