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Stucco help - 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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Stucco help

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  • Stucco help

    Almost done with my build...I'm ready to apply stucco to the gabled structure surrounding the oven which is a cement board substrate. Do I need to wrap with wire lath, or can I apply stucco directly to the cement board?

    If I need the wire lath, any advice on how to best secure it to the cement board? I've seen others use staples, but I'm concerned about cracking the cement board and the staples popping out over time.

  • #2
    Re: Stucco help

    If you are going direct over cement board, it will probably crack at joints and corners. You can eliminate this by using lath and screwing it to the board, leaving all screws back from the joints and corners by 4-6". You can also use a one-coat stucco base coat with fiberglass tape embedded at joints and corners as a first coat, then do another finish coat over it. It will still probably have cracks, but they will be minimal.

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    • #3
      Re: Stucco help

      I have never used lath when putting stucco on cement board. I do use mesh over all the joints (to prevent cracking). I also mix a concrete bonding agent in with the stucco mix (in place of some of the water). It helps create a better bond to the cement board.

      If you're at all worried about cracking - you can put mesh into your first coat when its still wet - to help avoid any cracking. Just make sure you mix it and let it cure properly between coats.

      Others may have different opinions - but this has worked for me every time.

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      • #4
        Re: Stucco help

        I just did mine (like this week!) and used lath over tar paper for the base coat. That's the recommended approach for 3 coat stucco. I suppose you could put it straight onto the concrete board, but if anything hits it too hard and it flexes, big chunks could come off. The 2 coat method is really for cinder block or concrete - surfaces with no flex.

        I secured the lath with screws in a grid pattern. HD sells lath screws that work great.

        this youtube video does a pretty good job of explaining stucco application

        Note that I took my lead from Tscar. He's the pro at this
        Last edited by deejayoh; 04-04-2013, 08:52 PM.
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        • #5
          Re: Stucco help

          Thanks for the replies, great insights. I'll post pics as I make progress...

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