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Cutting FB Insulating Board - Forno Bravo Forum: The Wood-Fired Oven Community

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Dome Installation Video - Casa / Premio / Modena

Hello,

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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Cutting FB Insulating Board

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  • Cutting FB Insulating Board

    The forum seems to have eaten my earlier post on this topic; my apologies if it reappears and this is a duplicate.

    I'm ready to start building my dome, and need to cut the Forno Bravo insulating board roughly to size since I'm doing a dome enclosure. I tried searching the forums, because I *know* I've read about this before, but the search function is making it difficult. It doesn't like "cut" and "FB" because they're too short, and it doesn't like "Forno Bravo" because it's too common. "Cutting FB board" and similar phrases result in no hits. I looked for an insert in the package and waded through many threads that had the word "insulating" but wasn't able to answer my basic question: how do I cut the FB insulating board?

    I have at my disposal:
    4" grinder
    7ish" masonry saw. It looks like a mini circular saw.
    Regular circular saw. we have a masonry blade for it.
    new 10" harbor freight wet saw
    jig saw (regular blade)

    What's the best machine for the job? Anything particular I should be aware of before I get started?
    Nikki

  • #2
    Re: Cutting FB Insulating Board

    The main thing is to wear a dust mask. Once you've got that on, almost anything will cut it. I used a reciprocating saw (sawzall)

    with a wood cutting blade. You could cut it with a ordinary keyhole saw, or jigsaw. It's really easy to cut, but, again, don't breathe the dust.

    A clue to searching the FB forum: Google will do more focused searches, and accept short words "FB", "UK" "AAC" that the forum search function will not. It will also search by strings if you put short phrases in quotations.
    My geodesic oven project: part 1, part 2

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    • #3
      Re: Cutting FB Insulating Board

      Thanks, Dmun! I'll pull out my mask and start slicing!
      Nikki

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      • #4
        Re: Cutting FB Insulating Board

        works for me! I used a circular saw with masonry blade and that worked fine, too! - yeah - also the mask is a must, too!!!

        I forgot - I also used a sabre saw or jig saw and that worked well also - It's been so long since I cut mine... I wish I would have tried the razor knife trick - that sounds the easiest and kicks up the least dust!

        Christo
        Last edited by christo; 11-24-2008, 12:43 PM. Reason: added sabre saw experience
        My oven progress -
        http://www.fornobravo.com/forum/f8/c...cina-1227.html
        sigpic

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        • #5
          Re: Cutting FB Insulating Board

          This stuff is the easiest thing you'll have to cut the entire build! I used a jig saw. It is weird - zero resistance. Like cutting through air. And oh, don't breath the dust.
          Mike - Saginaw, MI

          Picasa Web Album
          My oven build thread

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          • #6
            Re: Cutting FB Insulating Board

            You can almost do it with an Xacto knife. And definitely wear a mask when you use or handle any of the ceramic insulators.
            James
            Pizza Ovens
            Outdoor Fireplaces

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            • #7
              Re: Cutting FB Insulating Board

              I scored with a utility knife and then cut with a handsaw...as was already said it is the easiest stuff to cut for the build
              Dutch
              "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

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              • #8
                Re: Cutting FB Insulating Board

                I'm with Dutch, I would suggest usuing a handsaw. It leaves the sawduct in the largest particle size. Low on the list of things I would want is to put a power tool to it and make small particles that would be airborn by the fan on the motor driven saw. I also had a shop vac at the ready cut over a tarp laid on the ground from which the particles could and were very easily vacuumed up.

                I have dogs and they are curious and always interested in what I'm doing and offering their assistance. So if you have dogs I would suggest having them stay in the house for the short time you are cutting the stuff, unless you have particle masks for your pets.

                And certainly follow James advice when you are wrapping the dome with the ceramic blanket. While I did not use either of the FB products (using Frax/Kaowool and Calcium Silicate board form another source) the products are very similar. Most of the drop and debris from working the stuff is noxious at best (it is my understanding that the jury is still out on whether kaowool type ceramic blanket is cancer causing) and not to be inhaled either by you or your pets.
                Wiley

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                • #9
                  Re: Cutting FB Insulating Board

                  CFB products should always be treated with respect. Virgin cer/fibre is at its safest when unfired. It has binders in it that burn out when fired, so at WFO temps you shouldnt have too much drama. Yes, hand saw is the best tool.

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                  • #10
                    Re: Cutting FB Insulating Board

                    I scored both sides with a utility knife & then broke, similar to cutting drywall. Definitely keep the pets inside, and in addition to the respirator (or nusance mask, if your comfortable with that), you should also be wearing eye protection, long sleeves, long pants and gloves.

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