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Mortar Joints - Forno Bravo Forum: The Wood-Fired Oven Community



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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Mortar Joints

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  • Mortar Joints

    In looking through the instruction for building the Pompeii oven I see some pictures that show the inside of the oven with the bricks touching each other so no mortar joint..ie. pg 39 example 7.6, page 37 example 7.1, and page 34 example 6.2. I see other examples that show an obvious mortar joint on the inside of the oven...ie. page 44 example 9.6, page 41 example 8.3, and page 9.

    Is there some advantage or disadvantage to these two methods of construction? Mortar joints give me some wiggle room to correct for errors but should I avoid them or try to minimize them??
    Earth's crammed with heaven, But only he who sees takes off his shoes - E. B. B.

  • #2
    Re: Mortar Joints

    Hi Rob, typically you want to have brick to brick contact, some go to great lengths to accomplish this, others it doesn't bother them. Collectively speaking, if you had a 1/4" mortar joint on all sides if fire brick, in the end you would end up with less thermal mass, more mortar cost, and cracks typically occur in mortar joints. If your going with heatstop mortar its around 80 a bag. I split the difference tried to get best brick to brick contact, but didn't go as far as cutting angles for complete contact, check out ussell build utahbeehiver or les for this approach. Good luck