Old 06-24-2011, 08:39 AM
Join Date: Aug 2007
Location: Sherman Oaks, CA
Posts: 62
Default Mortar ratios

Hello. I just started my 32in oven and my insulating layer has been curing for a week now. I am ready to start my oven. I am sure this question has been answered before but I can't seem to find it.

What are the optimum mixtures for:
1. The sand/fireclay to set the floor with?
2. The high heat mortar for the dome?

As usual, your input is greatly appreciated.

Sherman Oaks
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Old 06-24-2011, 09:02 AM
dmun's Avatar
Join Date: Jul 2005
Location: New Jersey USA
Posts: 4,216
Default Re: Mortar ratios

Leveling mixture: half and half. You can either mix this as a paste and put it on with a notched trowel like thinset, or you can put it down dry, set your brick floor the way you want it, then wet the floor to set.

Homebrew mortar:

http://www.fornobravo.com/forum/f6/h...rimer-914.html (High Heat Mortar Primer)
My geodesic oven project:
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