Old 07-26-2011, 10:07 PM
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Join Date: Sep 2005
Location: Carson City, NV
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Default Re: home brew mix

Originally Posted by waynespizzaworld View Post
about 5/8th of an inch is about the max joint gap to be working with?
I really can't answer that. But building a 42 inch oven, using 1/2 bricks, that's about the max size of gap you will see. As mentioned earlier, I would use the brick as shims. If the mortar does get compromised, they will stay in place. So far my oven is standing like the day of the first fire. The home brew works.
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Old 07-27-2011, 09:18 AM
Join Date: Oct 2010
Location: Pensacola, Florida
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Default Re: home brew mix

As far as the ratios, 3:1:1:1 sand, lime, portland, fireclay. I used about 1.8 parts water depending on temps. Mixed the dry stuff together with gloved hand and dust mask, then add water and used a drill with mixing attachment. My gaps were around 5/8 inch as well on the outside of the dome, some slightly more, some less.
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Old 07-28-2011, 03:25 AM
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Location: Adelaide, South Australia
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Thumbs up Re: home brew mix

I mixed my first home brew in a mixer which did over half the dome, next morning I cut in the hearth bricks and mixed my second brew which completed the dome.
I would never remix the mortar, (get it to the workable consistency with added water) more than once as the portland cement is chemically setting and excess water will reduce the strength. Always wet the bricks and mortar them in place when drained for a few minutes. You will get the best bond this way.


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Old 08-05-2011, 03:20 PM
Join Date: Mar 2009
Location: Selmer,Tennessee
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Default Re: home brew mix

the forno bravo search box ...............Go to, high heat morter primer
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