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[redbricknick]

Hey fellas, thanks for nutting this out with me.. The arch bricks are pretty much full bricks. The stainless rebar goes into six of these, two inches. That, plus additional rebar anchored into refractory mortar directly above the opening arch will support the full weight of the vent.. I originally planned on suspending the chimney, but the weight is so nominal that i reckon ill just let it sit on the vent.. I can stand on the stainless rebar coming out of the opening arch. Its bloody strong> my concerns lie in ading heat to the equation.. Do i need to secure the rebar into its holes at all? it fits in pretty snug, with enough room to expand if it needs to, though i figured with stainless, the expansion at pizza oven temperatures would be nominal. With the inclusion of additional support from above the opening arch, where do your additional concerns lay? Thanks fellas, i really appreciate the input..

[redbricknick]

Yo. So after not hearing back from anyone, I went to talk to my mate Wayneo, who knows everything, and he told me i should anchor the arch rebar into the arch bricks with mortar.. He also advised me to notch up the rebar and faces of the arch bricks so the cast vent will have something to stick to.. So I'm pulling it to bits this week, in between preparing for a twenty first birthday party..

[Unofornaio]

Originally Posted by redbricknick

Yo. So after not hearing back from anyone, I went to talk to my mate Wayneo, who knows everything, and he told me i should anchor the arch rebar into the arch bricks with mortar.. He also advised me to notch up the rebar and faces of the arch bricks so the cast vent will have something to stick to.. So I'm pulling it to bits this week, in between preparing for a twenty first birthday party..

I did not see this post or I would have responded sooner sorry.
Let me say this right off the bat in this vast area of uncertainty regarding your project I can be certain of one thing, if you mortar in that rebar you will be increasing the likelihood of the arch failing.
A new concern for me is reading that the bar is only going in 2" it looks to me like you have somewhere between 8"-10" overhang there. At 8" you have 4 times the distance in overhang plus a load. Getting back to my balcony analogy, if this were a balcony and you had sistered on to the floor joist 2' and balcony went out 8' from there it would barley hold its self up let alone a person.
The photo/drawing was my original idea. Take a look and see what you think.

[james]

Hey Nick,

Sorry about the destructo -- ma auguri di compleanno. 21 is a big one. What are you planning? Don't end up in the newspapers for the wrong reasons, but have a great time.

Best wishes from us.
James

[redbricknick]

Poured the suspended vent today. its slow curing right now. Didn't take any pictures, heaps of video though, we were a little undermanned. Ate the first tomatos off the hanging tomato plants though. The Refmix is hot under the wet cotton t shirts i have it wrapped in.. Gonna be hard as a bastard.

[redbricknick]

Alright boys and girls, here she is. The hanging vent. Its supported by six half inch pieces of stainless rebar which is ten inches long, three and a half of which is set into the arch bricks. There is a lot of other stainless rebar in her, two arch pieces, bent to shape, various cris crosses of threaded rod.. etc. A LOT of rebar.. Its holding up solid. Im going to keep wet curing it, then shape and polish with a grinder and sandpaper, insulate the top, and pray..

[redbricknick]

so apparently you all think my vent is stupid, and are scared to tell me. Well I don't think its stupid, i think its awesome, and im going to have at it it with my grinder today, so there..

[redbricknick]

Yeah, so blah blah, i ground and sanded the vent. It's awesome.. Blah Blah. Please. Someone. does the vent suck? I stood on it today, and it didn't fall down once. (once would have been enough) I'm going to the perlite factory on wednesday with the most beautiful girl in the world.

[ihughes]

Don't lose your vision - even Da Vinci and Michaelangelo went to that bad place of doubt on occasion.

I for one think it looks great. If hey all looked the same it' d be a bit boring.

Besides, from what I can tell as long as it cooks great pizza who cares what it looks like. And any vent you can stand on is a vent worth working under.

Keep pushing the envelope.

[Archena]

Um, you don't have any insecurity issues, do you?





Seriously, looks cool to me - but whatta I know? My whole experience is laying three dry laid double courses of brick - I'm probably not the best person to ask...