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insulation board over vermicrete - 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.
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In order for users to create an album please follow the steps below.
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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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insulation board over vermicrete

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  • insulation board over vermicrete

    Hi
    If I was to use insulation boards over the vermiculite concrete layer (to improve the insulation effect), do I need to glue or mortar the boards to the vermicrete? If so, what is the material to use?

    Also, do you spread an underfloor paste of sand and fireclay over the boards if you are laying down a modular refractory concrete floor as opposed to a brick floor?

    Thanks in advance.

  • #2
    Re: insulation board over vermicrete

    Originally posted by mieno View Post
    Hi
    If I was to use insulation boards over the vermiculite concrete layer (to improve the insulation effect), do I need to glue or mortar the boards to the vermicrete?
    Easy answer: No. You are going to build a 1500 pound on top of the board. Gravity will win .

    Also, do you spread an underfloor paste of sand and fireclay over the boards if you are laying down a modular refractory concrete floor as opposed to a brick floor?
    I'll let someone else take that question.
    Ken H. - Kentucky
    42" Pompeii

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    • #3
      Re: insulation board over vermicrete

      Also, do you spread an underfloor paste of sand and fireclay over the boards if you are laying down a modular refractory concrete floor as opposed to a brick floor?
      No. The fireclay/sand layer is for leveling the brick floor if you are laying it on an uneven surface, like vermiculite concrete.
      My geodesic oven project: part 1, part 2

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      • #4
        Re: insulation board over vermicrete

        Not that this is a normal way to do it, I used regular mortar to install my insulation board over the concrete. I didn't feel it would move in the future but had a concern during construction, also my board came 12" x 12".
        I used a wet fireclay/sand mixture to place my firebrick floor, but with our winter winds that dried our to fast. When I was mortaring down my first soldier row I didn't notice that I readjusted the floor slightly, so I have a couple of gaps I'll fill with with the dust from sanding the floor down. If I had to do it again I would use a little refractory mortar to place the floor.
        for what it is worth
        RCLake

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