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advice on cladding masonry dome - Forno Bravo Forum: The Wood-Fired Oven Community

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New Forno Bravo Forum Feature

Forno Bravo Forum Community,

You will notice a new forum at the top of the main page called, "Ask Me Anything". This forum will be used for live one hour "Ask Me Anything" (AMA) sessions hosted by people who are knowledgeable in different areas pertaining to wood fired ovens. How it works:
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Dome Installation Video - Casa / Premio / Modena

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For many of you who bought a modular oven, you may have asked how we put the domes together when we build them. For those of you considering one of our ovens, we shot a video to make your install easier.

Check it out on our You Tube Channel.

https://www.youtube.com/watch?v=-7q7...jSniYogfUra06Q

If the link doesn't work, simply go to You Tube and type Forno Bravo Channel. The video title is How to Set your Forno Bravo Oven Dome Pieces.

Thanks for participating in our Forum. We will have more video content available soon.
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advice on cladding masonry dome

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  • advice on cladding masonry dome

    Hi all - I've completed my masonry oven dome, and I'm at the point of cladding it. The dome is regular brick with homemade refractory mortar of fireclay, sand and portland cement. I've mostly used Wing/Scott The Bread Builders for design and materials guidance, but I find myself without adequate guidance on what to use to clad the dome. Do I use a mix of vermiculite/Portland cement/fire clay or portland cement/lime/sand? Any advice, I'd appreciate. I'm in a location where we get as cold as a few degrees below zero farenheit in winter, as warm as low hundreds in summer. The whole thing will be enclosed by brick, when completed. Thanks in advance for your help.

  • #2
    Re: advice on cladding masonry dome

    I guess I spoke English in a French speaking country. Sorry for the faux pas.

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    • #3
      Re: advice on cladding masonry dome

      You can use perl-crete, but loose fill insulation in the house will be even better.

      Comment


      • #4
        Re: advice on cladding masonry dome

        I wouldn't add more mortar to the outside. You don't need the thermal mass. You want insulation, and lots of it.

        The very best thing would be 3"-4" of refractory blanket. If that isn't an option, you'll also get great results with the mixture of vermiculite and portland cement (4" or more). Don't add fireclay to the vermiculite/portland. Fireclay is thermal mass, not an insulator.

        You might want to download the free Pompeii oven plans. They will give you lots of detail for your next steps:
        Brick Oven Plans | Build an Italian Brick Oven
        Ken H. - Kentucky
        42" Pompeii

        Pompeii Oven Construction Video Updated!

        Oven Thread ... Enclosure Thread
        Cost Spreadsheet ... Picasa Web Album

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        • #5
          Re: advice on cladding masonry dome

          Originally posted by Ken524 View Post
          Don't add fireclay to the vermiculite/portland. Fireclay is thermal mass, not an insulator.
          ]
          Portland is not a good insulator either. Even at 10;1 you are adding more mass to the mix from the cement than the vermiculite.
          Kindled with zeal and fired with passion.

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          • #6
            Re: advice on cladding masonry dome

            Originally posted by david s View Post
            Portland is not a good insulator either.
            I agree! Even more reason not to make things worse with fireclay
            Ken H. - Kentucky
            42" Pompeii

            Pompeii Oven Construction Video Updated!

            Oven Thread ... Enclosure Thread
            Cost Spreadsheet ... Picasa Web Album

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