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irelande5 07-26-2012 03:30 PM

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

Neil2 07-26-2012 03:43 PM

Re: Grinding high spots on oven floor
 
1 Attachment(s)
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.

nissanneill 07-26-2012 03:49 PM

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

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

Cheers.

Neill

Les 07-26-2012 04:46 PM

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.

irelande5 07-26-2012 07:49 PM

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.

Les 07-26-2012 07:54 PM

Re: Grinding high spots on oven floor
 
Quote:

Originally Posted by irelande5 (Post 135630)
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.

irelande5 07-26-2012 08:10 PM

Re: Grinding high spots on oven floor
 
great thanks Les

irelande5 07-26-2012 08:12 PM

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"_)

Les 07-26-2012 08:37 PM

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.

irelande5 07-29-2012 09:42 AM

Re: Grinding high spots on oven floor
 
Great, thanks Les


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