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Do I need to buttress my side walls?

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  • Alomran
    replied
    Originally posted by Adamk View Post
    I am almost finished with the chimney, ( only the top cover is left ). I tried to keep the whole weight to the bare minimum in order to avoid the buttressing after all. It was a really hard work cutting those bricks but at least I managed to achieve what I wanted ..
    This is the most beautiful WOF oven chimney I have ever seen. Well done!

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  • Adamk
    replied
    The inside of the dome seems fine, today I will proceed with insulation ... thanks for the encouragement..
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  • Gulf
    replied
    I installed my blanket insulation, a vermicrete layer, and the stucco before starting the heat drying process. I still have cracks. But, there was no turning back for me. Imo, the only ovens that don't have cracks are those that haven't been fired. You don't show a pic from the inside but, I bet it doesn't look that bad. Remember, the dome can't fall in on itself. I have been firing my oven for 7 years. My advice is to insulate, take your time on the further drying fires, and enjoy your oven .

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  • Adamk
    replied
    Originally posted by Gulf View Post
    Adam,

    Sorry for the late reply. Assuming that is an uninsulated dome, yes, definately! You need as much distance as possibe for insulation. If, what is pictured, is blanket insulation covered by render/stucco....no worries imo.
    Ok I will cut the parts around it as what you see it’s just a 3mm coat of refractory mortar that I’ve put around the dome. Which in fact today I had to remove it cause I started curing the oven and I noticed various cracks around the dome so I wanted to see well what was going on.
    I noticed even some smoke coming out from some cracks. Is that normal to happen or did I do something very wrong ? What do you suggest I do now put some refractory mortar to fill in the cracks ? I was planning on keeping the WFO burning the whole day today slowly and tomorrow fill in the cracks and put the insulation on. Is that ok or do I need to wait more in these passages ?
    thanks for the guidance
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  • Gulf
    replied
    Adam,

    Sorry for the late reply. Assuming that is an uninsulated dome, yes, definately! You need as much distance as possibe for insulation. If, what is pictured, is blanket insulation covered by render/stucco....no worries imo.

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  • Adamk
    replied
    Can anyone tell me if it’s better maybe to make a cut with my angle grinder around the dome where the granite blocks are touching the dome ? It could be a problem with the thermal expansion i suppose .. any ideas ?
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  • zoolander
    replied
    Wow! That looks awesome!!

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  • Adamk
    replied
    Originally posted by Karangi Dude View Post
    Well done Adam, that flue / chimney certainly has a wow factor.
    I love the way you decided to do it anyway and not worry about the buttressing, awesome job Mate

    Cheers Doug
    Thank you Doug, I don’t have any experience in building and don’t know how things will hold up in time but I had an artistic education so at least I am trying to do what pleases me aesthetically. This wood fired oven is a journey and we men especially are like kids, we love to play, experiment and enjoy the making process..

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  • Karangi Dude
    replied
    Well done Adam, that flue / chimney certainly has a wow factor.
    I love the way you decided to do it anyway and not worry about the buttressing, awesome job Mate

    Cheers Doug

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  • Chach
    replied
    This is pretty sick in design...I love it great job!

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  • Gulf
    replied
    Very nice! It looks like it will blend in great with the old Greek archetecture.

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  • Adamk
    replied
    I am almost finished with the chimney, ( only the top cover is left ). I tried to keep the whole weight to the bare minimum in order to avoid the buttressing after all. It was a really hard work cutting those bricks but at least I managed to achieve what I wanted ..
    Attached Files

    Leave a comment:


  • Adamk
    replied
    Originally posted by zoolander View Post
    You have done a really nice job with your brickwork thus far...I can't wait to see it all done.
    Thanks, tomorrow the weather should be fine so I will start building the chimney and hope for the best ..

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  • zoolander
    replied
    You have done a really nice job with your brickwork thus far...I can't wait to see it all done.

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  • Adamk
    replied
    I chose a single wall pipe because I didn’t have enough space on my base and I was planning on leaving a small space around the pipe ( 0,40” ) and fill it with perlite and cement 10:1. Then build the bricks around that. All this process going on at the same time. I know that the space left between the flue pipe and the bricks is not enough for insulation but I don’t know if I can push it much more, maybe I could double that to 0,80 “ which in that case will make the round brick base arrive flush with the rectangular base underneath.
    The option of putting an extra pipe ( galvanized or steel ) around the center one could be useful for me to function as a guide for building the bricks straight going up but I didn’t quite understand first if the bricks can actually stick with mortar on the steel pipe ( can someone use mega epoxy or is it not the case ?) and second if it’s better for them not to touch the steel pipe at all because of the difference in expansion. If the second reference is the case, I wonder if I do put a second pipe then because of the gap between the first one it shouldn’t get as warm in order to affect the bricks.
    As you can see I am quite lost on this adventure at this point but I won’t give up . Please have a look at some further photos I am attaching including my confusing drawing ..
    Attached Files

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