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Kiln cement for chipped brick

Posted: Fri Mar 07, 2014 5:27 pm
by Jeanne
I bought a used kiln and it had a fair amount of chips along the edge of the lid and the body from the previous owner propping it open. I decided to skim a thin layer of furnace cement over the bricks to keep them from flaking. The layer started lifting and peeling as it dried, taking brick chunks with it. I peeled it off and used Paragon cement. Same thing happened. Any thoughts on why this is happening? I had done this once on another kiln without any problems.

Re: Kiln cement for chipped brick

Posted: Fri Mar 07, 2014 9:55 pm
by charlie
what harm does leaving the chips do?

Re: Kiln cement for chipped brick

Posted: Mon Mar 10, 2014 5:45 pm
by Arnold Howard
Jeanne wrote:I bought a used kiln and it had a fair amount of chips along the edge of the lid and the body from the previous owner propping it open. I decided to skim a thin layer of furnace cement over the bricks to keep them from flaking. The layer started lifting and peeling as it dried, taking brick chunks with it. I peeled it off and used Paragon cement. Same thing happened. Any thoughts on why this is happening? I had done this once on another kiln without any problems.


The coating must be very thin, or it will form a network of small cracks that flake off. You can apply the coating with a rag or sponge.

Sincerely,

Arnold Howard
Paragon Industries, L.P., Mesquite, Texas USA
ahoward@paragonweb.com / www.paragonweb.com