I wanted to ask builders what they thought about the outward pressure of the concrete hearth and possibly the vermiculite layer, on the hearth forms. I know that some early verisons of the Pompeii Oven plans called for staps and/or braces to keep the hearth from buldging out, but if you are using 2"x4" studs, I am not sure the outward pressure is enough to require the extra supports.
My concerns is that new builders are putting a lot of time that might not be necessary into supporting the hearth form.
Any comments?
James
My concerns is that new builders are putting a lot of time that might not be necessary into supporting the hearth form.
Any comments?
James
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