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Pompeii oven in Switzerland: pics - Forno Bravo Forum: The Wood-Fired Oven Community

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Pompeii oven in Switzerland: pics

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  • Pompeii oven in Switzerland: pics

    So far so good. It may not be not perfect, no beautifully tapered bricks or anything, but its mine!

    And - sorry, but I have to ask - is the cracking in the range of the acceptable?
    Attached Files
    "Building a Brick oven is the most fun anyone can have by themselves." (Terry Pratchett... slightly amended)

    http://www.fornobravo.com/forum/f8/p...pics-2610.html
    http://www.fornobravo.com/forum/f9/p...nues-2991.html

  • #2
    Re: Pompeii oven in Switzerland: pics

    Looks good to me!

    I bet it's feeling really nice laying bricks!

    I'm not sure about the cracks. .... I would imagine you could just fill them with mortar. The seasoned builders around here will know more, and I bet they will let you know soon.

    Good work!
    My thread:
    http://www.fornobravo.com/forum/f8/d...ress-2476.html
    My costs:
    http://spreadsheets.google.com/pub?k...Xr0fvgxuh4s7Hw
    My pics:
    http://picasaweb.google.com/dawatsonator

    Comment


    • #3
      Re: Pompeii oven in Switzerland: pics

      Frances

      By the looks of the cracks I have to ask, did you make sure and soak your bricks before you started mortaring? The bricks wick water just like a sponge and if the bricks are dry it sucks the water out of the mortar and the mortar tends to pull away from the brick, like your photo suggests. I filled a tub with water and placed my bricks in as they were cut to soak for 10 minutes or so while I was working.

      I am no expert, but if the bricks are stable and secure enough not to move, then you can probably fix the cracks by giving the dome a good coat , say 1-2 cm , of cladding. But remember to hose down the dome first.
      Wade Lively

      Comment


      • #4
        Re: Pompeii oven in Switzerland: pics

        Thanks Dave. Yep, its so cool to be working on the dome!

        About the cracks: the guy who sold me the mortar said not to wet the bricks too much, as the mortar needs them to absorb some water in order to dry properly. Its a heat-set mortar without cement, so as far as I can work out it doesn't need to cure or stay damp. The advantage, he said, is that it is more flexible in high heat, which means, and you're going to laugh when I tell you this, it won't crack...

        The bricks seem pretty stable, I keep on catching myself leaning on them to reach further along, and they feel solid enough.

        Actually I was thinking I wouldn't cover the dome, as my bricks are slightly bigger than the US ones anyway (4.9 inches a side on the half bricks) - but if its a structural issue of course I will. The problem is, if I hose down the dome before firing it, the mortar will turn back to mud. Won't it?

        Any more advice is welcome :-)
        Frances
        "Building a Brick oven is the most fun anyone can have by themselves." (Terry Pratchett... slightly amended)

        http://www.fornobravo.com/forum/f8/p...pics-2610.html
        http://www.fornobravo.com/forum/f9/p...nues-2991.html

        Comment


        • #5
          Re: Pompeii oven in Switzerland: pics

          I would say your mortar supplier would be the person to ask, may want to show him a picture. My comments were based on home mix, HeatStop or other "wet" mortar. If you are using a "wet" mortar, one that requires mixing water or water based than soaking the bricks should not be problem.

          If you are using a pre-mixed mortar straight out of a tub that air drys also known as "air set" then you are correct and definitely don't want water anywhere near at any time.

          Three quarters of my dome is 4.5 inch thick "half-bricks", with the last 1/4 1/3 bricks. I think it is a good insurance policy to layer at least a 1 cm coating of cladding to help seal the dome. I don't think that is enough to make any significant difference to the thermal mass.

          Good Luck.
          Wade Lively

          Comment


          • #6
            Re: Pompeii oven in Switzerland: pics

            Fourth course and still going strong. Keep catching myself humming the songs "I'm still standing" or "solid as a rock" while building. The last picture shows the reason I'm keeping cuts at a minimum.

            My neighbour said she thought the cracks are nothing to worry about as they aren't structural. And she's an architect so she should know . I'm still trying to get the guy who sold me the mortar to tell me what exactly is in it... But hey, it's good to work with and seems to be holding up ok.

            Can anyone point me in the direction of some pics of an oven doorway built with angle irons (specificaly how to attach the irons)? All I can find are beautiful arches, and the photos in the ovenplans. The irons are horizontal but the bricks are angled, how does that work?
            Attached Files
            "Building a Brick oven is the most fun anyone can have by themselves." (Terry Pratchett... slightly amended)

            http://www.fornobravo.com/forum/f8/p...pics-2610.html
            http://www.fornobravo.com/forum/f9/p...nues-2991.html

            Comment


            • #7
              Re: Pompeii oven in Switzerland: pics

              Originally posted by Frances View Post
              Fourth course and still going strong. Keep catching myself humming the songs "I'm still standing" or "solid as a rock" while building. The last picture shows the reason I'm keeping cuts at a minimum.

              Funny!

              Originally posted by Frances View Post
              Can anyone point me in the direction of some pics of an oven doorway built with angle irons (specificaly how to attach the irons)? All I can find are beautiful arches, and the photos in the ovenplans. The irons are horizontal but the bricks are angled, how does that work?
              I will find one for you, I think Balty built his that way.


              By the way, your dome is looking good.

              How hard is it to cut bricks with that thing? And be careful!
              My thread:
              http://www.fornobravo.com/forum/f8/d...ress-2476.html
              My costs:
              http://spreadsheets.google.com/pub?k...Xr0fvgxuh4s7Hw
              My pics:
              http://picasaweb.google.com/dawatsonator

              Comment


              • #8
                Re: Pompeii oven in Switzerland: pics

                It wasn't Balty

                It was Neill.

                Here's a link.

                http://www.fornobravo.com/forum/f8/n...-1-a-2005.html

                It shows a picture of his very nice angle iron door jamb towards the bottom of the thread.
                My thread:
                http://www.fornobravo.com/forum/f8/d...ress-2476.html
                My costs:
                http://spreadsheets.google.com/pub?k...Xr0fvgxuh4s7Hw
                My pics:
                http://picasaweb.google.com/dawatsonator

                Comment


                • #9
                  Re: Pompeii oven in Switzerland: pics

                  Thanks Dave. I know It's not perfect or anything, but like I said, its mine. Hey, and now I actually have proof that it holds up! It rained in the night and all the water pooled in the plastic covering, must have been quite heavy, but the bricks are all still in their places! Cool!

                  The circular saw is actually a rental, I only had it for a day. It had a diamond blade and I thought it worked really well. However, I'm not sure how easy it would be to make precision cuts and angles with it. Depends what kind of oven you're planning. For now I'm using a dinky little one as described in Dave's link. It works for me, as long as I only cut one brick per course (ok, two max), but I'll certainly need a bigger one for the upper part of the dome.
                  Attached Files
                  "Building a Brick oven is the most fun anyone can have by themselves." (Terry Pratchett... slightly amended)

                  http://www.fornobravo.com/forum/f8/p...pics-2610.html
                  http://www.fornobravo.com/forum/f9/p...nues-2991.html

                  Comment


                  • #10
                    Re: Pompeii oven in Switzerland: pics

                    I think you are doing great~!

                    And you will be eating pizza before me.

                    That's for sure!

                    Keep it up.
                    My thread:
                    http://www.fornobravo.com/forum/f8/d...ress-2476.html
                    My costs:
                    http://spreadsheets.google.com/pub?k...Xr0fvgxuh4s7Hw
                    My pics:
                    http://picasaweb.google.com/dawatsonator

                    Comment


                    • #11
                      Re: Pompeii oven in Switzerland: pics

                      Originally posted by asudavew View Post
                      It was Neill. It shows a picture of his very nice angle iron door jamb towards the bottom of the thread.
                      This:



                      is a very fancy way of doing an angle iron entry. There is the original method, which has an angle iron bridging the side walls of the oven entry, that support the upper course of bricks. Someone had the bright idea of putting the angle iron upside down, so that there would be an 45 degree iron face to the angled bricks, rather than big gobs of mortar in the angle iron.

                      Here's a pic of the original method:



                      from here

                      I can't find a pic of the up-side down method, maybe someone with a better memory or searching skills can jump in.
                      Last edited by dmun; 09-27-2007, 07:07 AM. Reason: broken link
                      My geodesic oven project: part 1, part 2

                      Comment


                      • #12
                        Re: Pompeii oven in Switzerland: pics

                        David,

                        Was it Marcel? The post at http://www.fornobravo.com/forum/f8/f....html#post9483 has a photo of an upside down angle iron over the entry which I think comes from Marcel in a response to whocanitbenow. There is a link to Marcel's photobucket site, and on it the angle iron seems to be simply sitting freely on the vent sides.

                        Cheers, Paul.

                        Comment


                        • #13
                          Re: Pompeii oven in Switzerland: pics

                          Frances,

                          I've just found another pic of 'normally oriented' angle iron with what appears to be bits of firebrick cut to the desired angle. It's at http://www.fornobravo.com/pizza_oven...ouisiana3.html. Again the iron seems to be just sitting there.

                          Hope this helps,
                          Paul.

                          Comment


                          • #14
                            Re: Pompeii oven in Switzerland: pics

                            Yes it does help, a great deal! Good pictures, thanks guys! I think I've got it all worked out. All I need now is a diamond saw and some time...

                            BUT, you won't reading any more posts from me for a while, not because I've given up in disgust, but because we're going on holiday for two weeks. To Italy actually, the Land of Pizza :-)

                            So, does anyone have any tips on how to deal with ovenbuilding withdrawal simptoms? Lots of Pizza and Chianti? Yeah, that might do the trick...

                            Frances
                            "Building a Brick oven is the most fun anyone can have by themselves." (Terry Pratchett... slightly amended)

                            http://www.fornobravo.com/forum/f8/p...pics-2610.html
                            http://www.fornobravo.com/forum/f9/p...nues-2991.html

                            Comment


                            • #15
                              Re: Pompeii oven in Switzerland: pics

                              Originally posted by Hendo View Post
                              I've just found another pic of 'normally oriented' angle iron with what appears to be bits of firebrick cut to the desired angle.
                              I don't think I ever saw that picture,



                              although I remember seeing the finished oven. As a side note, those big bricks with square holes are very odd by USA standards. I guess everything is different in Louisiana.
                              My geodesic oven project: part 1, part 2

                              Comment

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