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My 40" Inch pizza oven in Florida

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  • Re: My 40" Inch pizza oven in Florida

    Originally posted by SCChris View Post
    You may find that the alignment of the saw is not in line with the rolling bed. There are instructions for adjusting the alignment here on the site..

    Chris
    Thanks Chris, I did a bed alignment yes that was the ticket. The saw blade was wore by the misalignment. The new blade has no deflexion and is cutting true even on the very edge of brick.

    The misalignment was defiantly the cause for blade deflexion and premature ware, and failure.

    Thanks a million Chris.
    Respectfully,

    KB

    My build
    Oven Pics (album under construction)

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    • Re: My 40" Inch pizza oven in Florida

      Originally posted by brickie in oz View Post
      Sorry, no warm fuzzy feelings to offer.
      The FB board means Forno Bravo board which is actually a Calcium Silicate board and doesnt compress nearly as much as Ceramic Fibre board.
      Ceramic Fibre board will compress to nearly nothing with enough weight and time.
      Thanks for the advice Brickie,
      I did use the Forno Bravo board. I think all will be fine. I think the FB plans are great as a general guide line. I adhered closely to the materials presented in the plans. Forno Bravo has proven success and I feel confident they would not steer me wrong. I think I was frustrated with my floor not turning out as well as it did during lay out on a rock hard surface. I was over reacting and wanted a rock hard surface.
      Respectfully,

      KB

      My build
      Oven Pics (album under construction)

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      • Re: My 40" Inch pizza oven in Florida

        I made so progress since my big scare on Friday. After the floor was set and first course lay I found some rocking in floor, which I did not like. Thinking about a tear down at this point, I remembered briefly reading a thread on some putting sand inside the dome for support and someone else sanding the floor. Without any further reading on the subject, I thought to myself, why in the world would some do that? I only envisioned a gritty pizza. ……....... I decide to try a little sand on the floor. Frustrated with the outcome thus far, I thought I had nothing to lose…….. With a hand full of sand and paint brush in hand. I went after the uneven and rocking brick. I brush the sand into the joints and notice a little improvement. Driven by the thought of the tear down I continued …………To make a long story short a few shots with a spray bottle, does wonder to get the sand to flow into the joints………..I know have a rock solid even floor that I’m happy with. As mentioned before, Forno Bravo would not steer us wrong in selling and promoting a product for the floor. The same insulation sold in their kits. Sorry, I should have never doubted. Thanks FB, I could have never made it to this point without you.

        A few pic of my progress:


        PS. Thanks Utah for the advice, seeing is believing……. I will be modifieing the brick bracket.
        Last edited by kbartman; 04-24-2013, 03:46 AM.
        Respectfully,

        KB

        My build
        Oven Pics (album under construction)

        Comment


        • Re: My 40" Inch pizza oven in Florida

          Originally posted by kbartman View Post
          Bruce,
          The fb board is still a concern of mine I'm trusting I made the right decision. hope it don't come back to bite me. Since I decide to move on in my build, no one has posted anything further. Makes me wonder. I hope I have'nt affended anyone with my kidding around. If I did, my appologies to all. I value everyones opinion and need all the help I can get. Feel free to post on my thread.
          I dont think anyone is offended, you have made up your mind to press on with the build so everyone just shut up.

          Please post some pics of the board so we can determine what we are dealing with.
          The English language was invented by people who couldnt spell.

          My Build.

          Books.

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          • Re: My 40" Inch pizza oven in Florida

            Al,
            I'll take some pics when I get home this morning. The over all compression of the board seems ok with three courses set. A slight indention of maybe 1/8". My biggest concern was the bricks rockin on the floor. The sand seems to have solve this. Placing a brick on the insulation and placing pressure evenly down very little compression, as the pressure is applied unevenly or in the corner the brick, would rock slightly. This seems ok and makes sense the board isn't rock hard. Small surface area of the corners would cause more deflection. I may have softened the top layer a little around the joints trying to even them up. All the material is still there just a little softer do to my stupidy. I feel it should all compress to the original state after the bricks are set. With the floor tightly locked In place it shoud move as one large surface area and evenly compress the board to spec. We could probaly firgure that out. If I remember correctly I think the compression .5 Mpa. Not sure how to figure that.

            On another subject I think I read a post of yours that a mason works a arch backwards. Attached is a pic, is this what you mean, start at the top?

            PS. Can you see the three y's neatly staggered in the text of the post? I planned thator is it just stipidity?................. I hope I have the same luck staggering my course joints, LOL
            Last edited by kbartman; 04-25-2013, 07:16 PM.
            Respectfully,

            KB

            My build
            Oven Pics (album under construction)

            Comment


            • Re: My 40" Inch pizza oven in Florida

              Originally posted by brickie in oz View Post
              Please post some pics of the board so we can determine what we are dealing with.
              Al,
              Not sure you can see everything. I hope this helps:

              Originally posted by kbartman View Post
              fiber board purchased from FB has some inconsistencies in thickness. After trying a notched trowel approach??.. Decided to spread fireclay no sand on all joints to the level out inconsistences.


              Pic #1: Worst area around dome. Level held level showing about 1/8" of compression. I wanted to make sure the joints were tight so I set the board against the others by firmly tapping along the joints and sides with the scrap wood before securing to stand floor assuring no movement while setting the floor.

              Pic#2: Shows floor insulation installed. My biggest concern was the front left corner. Notice the small pieces. This was my worst joint. While trying to even out the joint, I may have over work the area. Causing loss of the original compression and swelling of board. Which I believe should back compress evenly.

              Pic#3: Shows the #2 area after bricks set on for a while.

              Pic#4: Shows typical area of the board after brick set very little compression, maybe 1/16? but brick will rock as explained in previous post.

              Pic#5&6: Shows a fireclay slurry to help smooth out joints.

              I think my biggest mistake was over working the board.
              Last edited by kbartman; 04-25-2013, 06:42 AM.
              Respectfully,

              KB

              My build
              Oven Pics (album under construction)

              Comment


              • Re: My 40" Inch pizza oven in Florida

                Looks like you are not cutting the board to match the dome. Must be nice not having to mess with cutting it to shape. I decided to cut the boards to conform with the dome. Figured I would be able to extend the blanket down to the slab and fully insulate the dome. After cutting the board, not sure it was worth it. Bruce
                Link to my build here:
                http://www.fornobravo.com/forum/f6/3...lly-19181.html

                Check out my pictures here:

                Selected pictures of the build.

                https://picasaweb.google.com/1168565...g&noredirect=1





                sigpic “In theory, theory and practice are the same. In practice, they are not.” ― Albert Einstein

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                • Re: My 40" Inch pizza oven in Florida

                  Originally posted by kbartman View Post
                  Bruce,
                  No I have'nt read your first thread I will though. I got to gets some sleep today I'm working nights. Funny you should mention sink holes. How about giving me a warm fat fuzzy on this one. While cutting the pool deck floor for the foundation I discover a void beneath the concrete slab about 8" X 2'. At the time, I contributed to improper fill around the pool when install 1970 I figure. I filled it in and moved on. Then yesterday I notice a few old step cracks in the wall surrounding the pool. Is my build doomed for failure from bad insulation or a sink hole........ I sure need some warm fat fuzzies. Off to bed wish me sweet dreams....LOL

                  Bruce,
                  Could not sleep woke up to nightmare, my oven and I falling in the sinkhole. .......... IF you don?t hear from me in while send someone to check on me........LOL....... I hate night shift. Body always wants to be up during the day even when exhausted.

                  To answer your question, yes still plan on cutting the floor insulation around dome...... As fragile as the insulation is I did not want it crumbling around the dome walls loosing support around the edge I thought I would have a tighter seal between the blanket and board if I cut it later.
                  Respectfully,

                  KB

                  My build
                  Oven Pics (album under construction)

                  Comment


                  • Re: My 40" Inch pizza oven in Florida

                    Sorry about the nightmare, still think the meteor is the real threat. On the other hand looks like I posted too soon regarding the biosoluble board. I emailed Skyline and within a few hours they replied that the compressive strength of the ceramic fiber board is 0.3MPa. This compares to .5 MPa of their comparable CF board. I am going to start trimming floor brick and deal with this issue once that is done. I think I have enough scape pieces of the CF board to replace the biosoluble. Glad I caught this now and not when well into building the dome. Try to get some sleep. I wonder how homeowner's insurance deals evaluates cost of DIY WFO. Regards, Bruce
                    Link to my build here:
                    http://www.fornobravo.com/forum/f6/3...lly-19181.html

                    Check out my pictures here:

                    Selected pictures of the build.

                    https://picasaweb.google.com/1168565...g&noredirect=1





                    sigpic “In theory, theory and practice are the same. In practice, they are not.” ― Albert Einstein

                    Comment


                    • Re: My 40" Inch pizza oven in Florida

                      Bruce,

                      When you get done trimming the Ca Sil to where you want, take your leftover mortar as you lay your bricks and render the sides of the Ca Sil board. The mortar will keep the Ca Sil from getting damaged, broken, dented while you do your dome.
                      Russell
                      Google Photo Album [https://photos.google.com/share/AF1Q...JneXVXc3hVNHd3/]

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                      • Re: My 40" Inch pizza oven in Florida

                        UtahBeehiver,
                        I responded on my thread. Bruce

                        Believe it or not I just did the same thing. I am cross posting to keep continuity of content on by thread. Kbartman, sorry to be cluttering your thread. Bruce
                        Last edited by Bec1208; 04-25-2013, 02:23 PM.
                        Link to my build here:
                        http://www.fornobravo.com/forum/f6/3...lly-19181.html

                        Check out my pictures here:

                        Selected pictures of the build.

                        https://picasaweb.google.com/1168565...g&noredirect=1





                        sigpic “In theory, theory and practice are the same. In practice, they are not.” ― Albert Einstein

                        Comment


                        • Re: My 40" Inch pizza oven in Florida

                          Originally posted by UtahBeehiver View Post
                          Bruce,

                          When you get done trimming the Ca Sil to where you want, take your leftover mortar as you lay your bricks and render the sides of the Ca Sil board. The mortar will keep the Ca Sil from getting damaged, broken, dented while you do your dome.
                          Sounds like good advice. If the material stays in place I will do this.

                          I tried calculating the lbs per sq. inch placed on the board below the perimeter brick. I expected the result to be low, but not as low as I calculated and this was with higher then expected dome weigh. In addition at least some of the load will be transferred to the remaining board. I hope someone checks my math.

                          I used the following formula and values:
                          Weight of dome (estimated to be 2000 lbs)/Area of space between inner and outer perimeter of bricks
                          The first value was ((pi x 22 squared) - (pi x 18 squared))=503 sq inches
                          So 2000/503=4 lbs per sq inch.

                          Really doesn't sound like much. According to a conversion site on the web, .3 is about 44 psi and .5 is about 73 psi.

                          I found this definition of MPa in connection with material compression strength:


                          bonehead...
                          MPa is one million pascals.

                          A pascal, Pa, is one newton per square meter (N/m^2)

                          So a MPa is one million newtons per square meter.

                          "In material strength, it represents how much stress (force per cross sectional area) that a material can withstand without breaking/rupturing/stretching or whatever other criteria you use for failure."
                          What is MPa stand for when it comes to material strength? - Yahoo! Answers

                          Anyone comment who has experience with this issue. Thanks, Bruce
                          Link to my build here:
                          http://www.fornobravo.com/forum/f6/3...lly-19181.html

                          Check out my pictures here:

                          Selected pictures of the build.

                          https://picasaweb.google.com/1168565...g&noredirect=1





                          sigpic “In theory, theory and practice are the same. In practice, they are not.” ― Albert Einstein

                          Comment


                          • Re: My 40" Inch pizza oven in Florida

                            Originally posted by UtahBeehiver View Post
                            Bruce,

                            When you get done trimming the Ca Sil to where you want, take your leftover mortar as you lay your bricks and render the sides of the Ca Sil board. The mortar will keep the Ca Sil from getting damaged, broken, dented while you do your dome.
                            Thanks Bruce for the conversion. Did you use the ceramic fiber board or is it the cal sil board? I made the mistake of calling my board ceramic fiber board. Mine is Alumina Silicate
                            board.

                            Utahbeehiver,

                            I thought about putting mortar around the bottom like yours. I had some very small pudding of water on top the stand, which I drilled drainage holes in middle of them, thinking water could be trapped. Wondering if the mortar around it might trap water also
                            Last edited by kbartman; 04-25-2013, 08:22 PM.
                            Respectfully,

                            KB

                            My build
                            Oven Pics (album under construction)

                            Comment


                            • Re: My 40" Inch pizza oven in Florida

                              Originally posted by kbartman View Post
                              Thanks Bruce for the conversion. Did you use the ceramic fiber board or is it the cal sil board? I made the mistake of calling my board ceramic fiber board. Mine is Cal sil.
                              I have one layer all CF and lower level has one section of Cal sil. Bruce
                              Link to my build here:
                              http://www.fornobravo.com/forum/f6/3...lly-19181.html

                              Check out my pictures here:

                              Selected pictures of the build.

                              https://picasaweb.google.com/1168565...g&noredirect=1





                              sigpic “In theory, theory and practice are the same. In practice, they are not.” ― Albert Einstein

                              Comment


                              • Re: My 40" Inch pizza oven in Florida

                                Originally posted by brickie in oz View Post
                                Sorry, no warm fuzzy feelings to offer.
                                The FB board means Forno Bravo board which is actually a Calcium Silicate board and doesnt compress nearly as much as Ceramic Fibre board.
                                Ceramic Fibre board will compress to nearly nothing with enough weight and time.
                                What is CF? I edited the post I checked the spec sheet mine is Alumina Silicate
                                board.........I'm confused
                                Last edited by kbartman; 04-25-2013, 08:39 PM. Reason: added quote
                                Respectfully,

                                KB

                                My build
                                Oven Pics (album under construction)

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