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Insulating a new oven - Forno Bravo Forum: The Wood-Fired Oven Community



Photo Galleries are back! Instructions below.

Dear forum users,
Thank you for your patience with the Photo galleries. We've got your galleries online!
We have finished writing a custom script to migrate the PhotoPlog to vBulletin5’s albums.

Unfortunately V-Bulletin killed the "Photoplogs" in their software upgrade which was unforeseen and we're the first development group to have written a script for getting the galleries back... that said, it took some time to reverse engineer the code and get the albums to move over seamlessly!

Forum users will be able to access their “PhotoPlog” images through their user profile page by clicking on the “Media” tab.
They will also be able to browse other albums by going to the albums page. (On the forum site, there is a link in the black bar beside “Forums” to the albums.)

In order for users to create an album please follow the steps below.
1) Go to user profile page and click “Media”
2) Click Add Photos
3) Enter Photo Gallery Title in the first field
4) Click Upload or Select from Photo Album to add photos
5) Click Post
6) Once posted, the album will be created as a “Topic” on the albums page for the public to see. The topic title will be the “Photo Gallery Title” they created before uploading their photos.

To create this migration path we used vBulletin5’s default album structure. Unfortunately, it won’t work like the “PhotoPlog” but is an album/gallery component on the forum now.
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Insulating a new oven

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  • Insulating a new oven

    Hi everyone!

    First, I am JUST losing my virginity to WFO's. I am in the final installation stages of a 36" insert oven and have begun curing it while I am awaiting the finish of the decorative encasement. (I'm awaiting fabrication of a stone cap to go on a brick box).

    This has given me the opportunity to check out some of the heat characteristics of the oven. First, a little about the construction. It is a ceramic shell sitting atop firebrick atop insulating concrete -- I think the base is plenty insulated. The dome has at least 2 inches of insulating castable on it. During my 4'th and 5'th burns to cure, I got the interior dome up to about 500 degrees with the outer dome reaching temperatures of about 150 degrees. After extinguishing the fire, I lost about 150 degrees on the interior dome over the first hour.

    I have been reading some of the other threads about heat management and I think what I will do is fill the entire encasement with granular vermiculite. I am wondering if I should, first, put another 2 inches of insulating castable on before the vermiculite and the stone cap? Any thoughts/suggestions?

    Also, if I add another layer of castable, do I have to begin the curing process all over again?

    Thanks...LOVE the forum!


  • #2
    Re: Insulating a new oven

    It is probably easier to add some insulating blanket then loose fill vermiculite...
    My Oven Thread:


    • #3
      Re: Insulating a new oven

      It's hard to make generalizations about insulating castable refractory, because there are so many different products by various vendors for multiple applications. If your enclosure is pretty tight, there is nothing wrong with loose fill vermiculite, the only thing is that it tends to leak out of surprisingly small joints. The blanket is more efficient, but also more expensive

      I do know that the outside of your insulated dome should be lower than 150 degrees. Mine's behind a masonry wall, but it hardly gets warm to the touch.
      My geodesic oven project: part 1, part 2


      • #4
        Re: Insulating a new oven

        Thanks for the responses! So, another couple inches of castable then insulating blanket, then vermiculite???


        • #5
          Re: Insulating a new oven

          Originally posted by docsev View Post
          Thanks for the responses! So, another couple inches of castable then insulating blanket, then vermiculite???
          i don't think you need to add any more castable...I would just suggest using ceramic blanket insulation...then you can always pour in loose vermiculite when you get the finish done
          "Making the simple complicated is commonplace; making the complicated simple, awesomely simple, that's creativity. " Charles Mingus
          "Build at least two brick ovens...one to make all the mistakes on and the other to be just like you dreamed of!" Dutch