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perlite insluation layer? - Forno Bravo Forum: The Wood-Fired Oven Community


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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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Dome Installation Video - Casa / Premio / Modena


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.


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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perlite insluation layer?

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  • perlite insluation layer?


    Thanks to all who have posted in response to my beginner questions that have probalby been answered before.

    I am using firebrick for my floor and back wall that is 4.5 thick 3-7 inches wide and 18 inches long. We have wedge brick for the arches. Most will be a very tight fit, not large joints at all.
    For now the oven size will be about 28X41 or so.

    ? How thick of concrete slab? on top of blocks?
    ? How thick of perlite/concrete insulation is reccomended to set the floor on?
    ? Reciepe for insulation layer?

    I have also saw block stands that mortared and ones that are just dry stacked with the slab poured across the top. Does that work well? It makes me nervous with no mortar.

    I noticed a block stand with cement board on top and then a insulation layer the shape of the cooking chamber and then formed up to enclose the insulation layer just under the surface of the slab, oven floor on top of that.
    Good? Bad? Idea?

    My father was a machinest, a little of the perfection overkill seeped into my genes makes it hard to decide on a design.


  • #2
    Re: perlite insluation layer?

    Hi! Derkp, To answer your question about the thickness of the top slab: 4 inches will be enough with #5 (1/2") reebar 12" on center. The thickness of the insulation layer should be 4" minimum if using the perlite/portland mixture. You could use insulation board but a 3 to 1 perlite,vermiculite/portland mixture will work just as well and is a lot cheaper. Allow at least seven days curing time for each stage (bottom slab, top slab, insulation slab). A base built with dry stacked blocks will have the corners and every other core filled with concrete and reebar. This will make a very strong base. For the bottom slab you might want find out if you have to worry about frost heave, and if so how deep the footing should be to get below the frostline in your area. If a footing is not required I would use at least 6" of crushed stone under the bottom slab which should be same as the top one. I hope this will help you and if anyone has more to add please fell free to do so.
    Last edited by Ilfornaio; 05-02-2010, 07:22 PM.