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Footers no footers - 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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  • Footers no footers

    Hello all,

    Just getting started and though I would ask around the forum for advice. I can't seenm to get any consistant answers from the people I do know. I live in southern Wisconsin and am getting ready to pour my slab. The question of the day is can I pour the slab thick and let it "float" like a driveway or do I need to sink footers.. Any advice is most certainly welcome. I look forward to getting started.

    Peter
    Last edited by KraemerBAC; 06-08-2009, 07:19 PM.
    Member WFO-AMB=WW

  • #2
    Re: Footers no footers

    "is can pour the slab thick and let it "float" like a driveway"

    Yes.

    Provided the sub base material is relatively uniform.

    Something like 5 inches thick and reinforced well so that it can bridge settlement and ride out frost heaving with out cracking.

    Comment


    • #3
      Re: Footers no footers

      Agreed, if it's not attached to anything.
      Shay - Centerville, MN

      My Outdoor Kitchen/Pompeii WFO Build...

      Comment


      • #4
        Re: Footers no footers

        I would like to know this as well, I live in Ontario and we have a frost line of 3-4 ft. I was planning on doing footers, but obviously I don't want to because of the extra digging, I would rather put it on 6inch gravel and than 1ft of concrete. This would be of great help. Thanks

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        • #5
          Re: Footers no footers

          Thanks for the guidance, I had planned on a good base of crushed paving base and/or gravel and sand followed by a minimum of 10-12 inches of reinforced concrete. It will not be attatched to anything..
          Member WFO-AMB=WW

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          • #6
            Re: Footers no footers

            I am a bit south of you in Illinois and just got done with my foundation. The one thing I've learned is you need excellent drainage. Keeping the water level low and having the gravel dry is really going to help keep the heaving down.

            I ran 4" drain tile around the perimeter of my foundation and ran it away to my neighbor's yard (That's a joke, I didn't really). I think drainage issues need to be elevated in oven foundation planning.
            My Build Thread

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            • #7
              Re: Footers no footers

              Timo,

              Thanks for the suggestions.. Drainage may be a problem but at least there is a pretty easy fix. I say may because I live on a bluff so while the spot in my yard is a little low overall the yard is "high".

              By the way, how far south. A visit may be in order

              Peter
              Member WFO-AMB=WW

              Comment


              • #8
                Re: Footers no footers

                As someone with a deep, hand-dug foundation, I highly recommend a floating slab!
                Picasa web album
                Oven-building thread

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                • #9
                  Re: Footers no footers

                  Journeyman, why after the work of the foundation do you recommend slab? Is it the labor or does it function better?

                  Comment


                  • #10
                    Re: Footers no footers

                    Originally posted by JeffAdams View Post
                    Journeyman, why after the work of the foundation do you recommend slab? Is it the labor or does it function better?
                    The labor. A deep foundation is presumably more stable than a slab, but I'm not sure that the labor is worth it if you're hand-digging, at least in the northern part of the country.

                    Daren
                    Picasa web album
                    Oven-building thread

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                    • #11
                      Re: Footers no footers

                      Hand digging SUX! I rented a hydraulic auger to dig post holes 5' deep x 8" wide and with the clay around here it was not fun. If you can get away with a floating pad do it. I didn't just because I'm doing a string of pads for multiple items and butting up to all of those will be a new deck so I didn't want anything heaving or drifting on me if I can help it.
                      Shay - Centerville, MN

                      My Outdoor Kitchen/Pompeii WFO Build...

                      Comment


                      • #12
                        Re: Footers no footers

                        A fairly uniform sub base is important for a slab.

                        Don't pick a site that is half on solid native materiel and half on loosely placed fill.

                        If you can drain the sub base easily then go ahead, but, for most soils except clay, I don't think this is that critical.

                        Use lots of re-bar. Re-bar is cheep. For a six inch slab I would use something like one layer 3/8 bars on a 5 inch grid both ways. Suspend or bridge in middle of slab thickness. Hook all ends and keep ends 2 inches back from side of form.
                        Last edited by Neil2; 06-19-2009, 04:59 PM.

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                        • #13
                          Re: Footers no footers

                          Finally finished and I agree hand digging is not alot of fun...Went 2 feet down and will fill with 8-10" of gravel then 4-6 inches of sand then pour the slab 8-10" we will see how the gravel and sand goes
                          Member WFO-AMB=WW

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                          • #14
                            Re: Footers no footers

                            Originally posted by KraemerBAC View Post
                            Finally finished and I agree hand digging is not alot of fun...Went 2 feet down and will fill with 8-10" of gravel then 4-6 inches of sand then pour the slab 8-10" we will see how the gravel and sand goes
                            8-10" of slab is huge, but good I think. Get more rebar than you think you will need, just in case. You can always use it in the hearth, too. What did you find 2 feet down up on that bluff?

                            Timo
                            My Build Thread

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                            • #15
                              Re: Footers no footers

                              sand and gravel...which by the way is not all that easy to dig through
                              Member WFO-AMB=WW

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