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Sand Casting question - Forno Bravo Forum: The Wood-Fired Oven Community

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  • Sand Casting question

    Hi all

    i finally convinced the wife that having a WFO in the back yard was a good idea. Im just in the planning stage but plan on casting on site over a sand mould. My question is about the casting mix. if i purchase a castable refractory something like rutlands https://www.homedepot.com/p/Rutland-...-601/300981816 do i cast a thinner "oven wall" say 2 inches thick and then continue to add a mix of portland cement and vermiculite over the top to get my overall desired thickness in the dome?
    many thanks
    gunnar
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