#21  
Old 08-01-2011, 12:27 AM
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Default Re: Marino's 42" oven

and a few more
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  #22  
Old 08-01-2011, 12:32 AM
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Default Re: Marino's 42" oven

and more still, since there is a limit of 5 per post
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  #23  
Old 08-01-2011, 12:36 AM
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Default Re: Marino's 42" oven

and finally today
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  #24  
Old 08-01-2011, 01:06 AM
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Default Re: Marino's 42" oven

I found, incidentally, an easy way to cut compound angles for the different brick courses. At the beginning I used a string to measure the angles, but as the courses went up that did not work well. I set up a laser level on a tripod and marked a line on the front and back face of brick as the beam passed from the center of the oven floor to the lower outside corner of the brick. The angle is the same for all the bricks on any given course. I then aligned the laser contraption with the saw blade and platform so that the laser beam marked the blade's exact path. It is easier to do than it sounds. I used a small brick wedge to match the marked line on the brick with the beam and made the cut. My explanation sounds confusing but hopefully the pictures will clarify it. I could cut with amazing precision 20 bricks in less than one hour. Crazy complex cuts like the oven-arch transition become manageable with the same system (but are still a lot more work)
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  #25  
Old 08-01-2011, 04:41 AM
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Default Re: Marino's 42" oven

Hey Marino
I just read threw this thread for the first time, you got off to a rough start but your dome is looking great, I really like your laser solution.
Chuck
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  #26  
Old 08-02-2011, 02:01 AM
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Default Re: Marino's 42" oven

Build is looking great and I am jealous of the laser technology being employed! I personally have a crooked eye ball, and I eyeballed everything! LOL So my brick joints aren't the best.
Nice vent transition, what kind of flue will you be using? Duravent or clay? And will you be building a chimney?
Again great build!
Thanks John
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  #27  
Old 08-03-2011, 12:50 AM
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Default Re: Marino's 42" oven

Thanks everyone for the kind words.
I am going to go with Duratech without a brick chimney, but I am right now stuck in what to do after the FB blanket. Despite having spent months trying to decide on the type of enclosure, I still can not make up my mind. My wife likes the igloo, but I read that a lot of people have had problems with water leaking in and besides I would think the house enclosure is better for insulation; as far as a house enclosure, I really would like a flat roof but have no idea how to make it waterproof (in my mind it is like an expanded square igloo). In either case I can not see how to avoid water getting in around the steel chimney.
Another area I am having problems with is how to attach a decorative arch and face (regular red brick) to the firebrick . Any suggestions would be greatly appreciated. Thanks.
Marino
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  #28  
Old 08-03-2011, 11:10 AM
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Default Re: Marino's 42" oven

You and I are at about the same phase of construction, though I have yet to complete the chimney transition (today I hope). I will also use the Duratech. Have you drilled the holes for the fasteners yet? If so, did you have any problems with that or driving in the screws? These fire bricks seem a bit fragile to me; it seems the force of the screw would split the brick open.

Thanks, and looking good,
gene

p.s. To your question, why can't you simply build a decorative arch against your outer arch? Just mortar them together (perhaps with refractory mortar just to be safe). Seems as though it should work. That is what I plan to do after I add framing and cement board.
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  #29  
Old 08-03-2011, 11:50 AM
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Default Re: Marino's 42" oven

Everybody worries about drilling the holes for the anchor plate. Just go easy and they won't crack.
Eric
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  #30  
Old 08-03-2011, 02:18 PM
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Default Re: Marino's 42" oven

Here is a link to Dino's duravent transition.
http://www.fornobravo.com/forum/8/di...html#post56009 (Dino's 42" Pizza Oven Starts)
He also has a pdf with a sketch it detailed drawing.

He opted for not drilling the firebrick for the reasons of immediately craking with either the drill and or screws. Then there is also the different rates of thermal expansion between the screws and the firebrick. Once covered and sealed, no easy way to repair!
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