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Flashing, where to get... - Forno Bravo Forum: The Wood-Fired Oven Community

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I'm Peter Reinhart! Ask Me Anything! Monday, February 15, 2016 7:00-8:00 pm EST

To kick off our AMA feature, we have invited author, chef and master bread maker and host of Pizza Quest, Peter Reinhart, to be our first host! Peter will be in the Forum on Monday, February 15th, from 7:00 - 8:00 pm EST. If you are unable to be online during the live session, you can post your questions in the sticky post. Peter will answer those questions during the live session on February 15th. You can view Peter's answers to your questions as well as what happened during the live session in the session thread.

Ask Me Anything New Forum Feature

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:
- Each AMA will have a "sticky" thread where the community can post questions they would like answered during the live session. This will allow everyone to participate even if you can't be online for the live session. These questions will not be answered by the host until the live AMA; if you need an answer quickly, you should post it in the appropriate Forum area for the community to respond.
- Another thread will be posted for the live AMA. Registered users who are logged in during the live session can interact with the host by asking questions and receiving responses.
- The live thread will remain in the AMA forum to view after the session.

We hope you enjoy this new feature! Please let us know if there is a topic that you'd like to have as an AMA and we'll look for a host!

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Flashing, where to get...

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  • Flashing, where to get...

    Hi guys

    Just got my oven installed, it has an 8" flue which goes through a tiled roof which has exposed timbers (no ceiling). Can anyone advise where I can get a suitable flashing.

    I know I can get a lead flashing but the rubber boot that goes over the flew will not stand the heat of a woodfired oven. I'm in Perth and tried a few of the usuals like Bunnings Hearth House etc. Galvins have the Lead flashing but the they reckon the red boot is only good for 200C, I'm not sure what the temps get up to but considering the heat of the oven I'm sure its higher than that.

    It might need to be double skinned, but I'm tight for room with the roof timbers as I am.

    The guy that does the roof work for the installer has gone on holidays for 3 weeks and I'd like to close my roof up.

    Any help appreciated.

    John

  • #2
    Re: Flashing, where to get...

    Hi guys

    Got no replies, so went ahead and fitted lead flashing over flue and then fitted red silicon boot over that. I was really worried what sort of heat I would get as the boot is good for around 200C. I have an infrared thermometer and it only gets up to about 50-90C at the flashing. So no real issues after all.

    Hope this might be of help to someone.

    John

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    • #3
      Re: Flashing, where to get...

      Hi John,
      just saw your thread.
      I had a similar situation and have it somewhere on my posts but have put a few pics here for you.
      I used a 1" larger diameter sleeve over the 8" chimney and packed the void with superwool insulation. The silicone rubber seal is standing up to some very hot fires one that melted my downlights.
      Hope this helps you.

      Cheers.

      Neill
      Prevention is better than cure, - do it right the first time!

      The more I learn, the more I realise how little I know


      Neillís Pompeiii #1
      http://www.fornobravo.com/forum/f8/n...-1-a-2005.html
      Neillís kitchen underway
      http://www.fornobravo.com/forum/f35/...rway-4591.html

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      • #4
        Re: Flashing, where to get...

        Originally posted by nissanneill View Post
        Hi John,
        just saw your thread.
        I had a similar situation and have it somewhere on my posts but have put a few pics here for you.
        I used a 1" larger diameter sleeve over the 8" chimney and packed the void with superwool insulation. The silicone rubber seal is standing up to some very hot fires one that melted my downlights.
        Hope this helps you.

        Cheers.

        Neill
        I'm looking for some small pieces of Superwool. I see that you purchased some to use in your oven. Do you have any scraps that you would be willing to sell? I don't need much and do not want to buy an entire roll. Thanks.

        Comment


        • #5
          Re: Flashing, where to get...

          Neill.

          Was that a single wall flue or double wall?
          Im getting a double wall flue, presuming i shouldnt have issues with heat then?

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          • #6
            Re: Flashing, where to get...

            Check out the general construction in the forum and a thread "keeping me and my oven dry" by faith in virginia for a great homemade idea

            Regards Cobblerdave
            Measure twice
            Cut once
            Fit in position with largest hammer

            My Build
            http://www.fornobravo.com/forum/f51/...ild-14444.html
            My Door
            http://www.fornobravo.com/forum/f28/...ock-17190.html

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            • #7
              Re: Flashing, where to get...

              Should be fine unless you have huge flames going up the chimney. My mobile oven that I hire out occasionally gets its silicon seal around the base cooked, but it's only when people allow lots of flame up the flue.( "gee this fire is fun, lets see how much flame we can get going out the top") It never happens when I use it. The silicon I use is rated to 205 C There is higher temp silicon, but it uses carcinogens and is way more expensive. Presumably the flue pipe will be way cooler up near the ceiling too.
              Kindled with zeal and fired with passion.

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              • #8
                Re: Flashing, where to get...

                Neil,
                I noticed that your flue pipe is standard galvanized rather than stainless. How's it holding up corrosion wise?
                Dave
                Kindled with zeal and fired with passion.

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