#1  
Old 06-09-2013, 02:23 AM
Serf
 
Join Date: Jan 2013
Location: Modesto, CA
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Default Zeke's 40" in Modesto

Greetings, I've set the oven floor and am starting on the first course of the dome. I decided to do half-bricks rather than soldiers. With how big of a gap between the floor and dome wall can I get away? Right now I'm looking at close to 1/4". Is this too much? Thanks.
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  #2  
Old 06-09-2013, 06:08 AM
UtahBeehiver's Avatar
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Join Date: May 2012
Location: Salt Lake City, Utah
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Default Re: Zeke's 40" in Modesto

1/4" is fine, it fills in with ash anyway . Be sure to cover the gap with duct tape while you are doing your walls to prevent mortar from falling down into the gap. Since the gap acts as an expansion joint between the floor and the the dome. If mortar gets packed into the gap there is the potential of cracking due to the restricted expansion.
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Old 06-09-2013, 07:46 AM
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Location: Modesto, CA
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Default Re: Zeke's 40" in Modesto

Thanks Beehiver - this is definitely a learning process. I've got some pictures and hope to post them. I've admired your build.
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Old 06-12-2013, 11:57 PM
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Location: Modesto, CA
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Default Re: Zeke's 40" in Modesto

Here's my first picture and it comes with a question. Is it advisable to leave an expansion gap between the oven floor and both inner sides of the entry arch base brick?

In the picture, the arrow pointing right shows the expansion gap that runs along the circumference of the oven floor and the other arrow points to the inner side of the entry arch, which is where I'm wondering about the expansion gap.
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Zeke's 40" in Modesto-entry-arch-base-brick.jpg  
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Old 06-14-2013, 07:52 AM
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Location: Modesto, CA
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Question Re: Zeke's 40" in Modesto

Any thoughts on my last question? Thanks.
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Old 06-14-2013, 08:09 AM
mrchipster's Avatar
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Location: Minneapolis, MN USA
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Default Re: Zeke's 40" in Modesto

Quote:
Originally Posted by zekebv View Post
Any thoughts on my last question? Thanks.
I left a gap at the indicated location and it filled with ash and has worked well for 1.5 years now.

Chip
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Old 06-14-2013, 08:25 AM
boerwarrior's Avatar
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Join Date: Apr 2013
Location: Santa Rosa, CA
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Default Re: Zeke's 40" in Modesto

Zeke,

like you I have about a 1/4 inch expansion gap between my floor bricks and my half-height soldier course. While it is hard to see when the interior temperature is close to 1,000 degrees, my floor doesn't seem to expand a huge amount. Like Utahbeehiver said, the gaps fill with ash anyway! With respect to your other gap near the arch - in my oven it doesn't get incredibly hot at that place on the floor so leaving a gap there is probably not as important. (maybe gets to 400 degree there at a guess? I didn't measure - just guessing)

Remember when you are firing the cold air is coming in at floor level so that probably keeps things a little cooler down there.

My bigger issues are higher up on the inner arch where is does get incredibly hot - I have some cracks up there which I needed to fill.

Hope this helps
Neil
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Old 06-14-2013, 09:30 AM
Serf
 
Join Date: Jan 2013
Location: Modesto, CA
Posts: 22
Talking Re: Zeke's 40" in Modesto

Alright, thanks for the thoughts gents. Neil, that makes sense about the cold air coming in through the opening. I'm going to live with it as it is an forge ahead!
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Old 06-14-2013, 03:59 PM
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Location: Sacramento, CA
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Default Re: Zeke's 40" in Modesto

Hi Zeke,

Glad to see a fellow NorCal builder starting out! Keep us posted and include pics. And to get the best use of this forum, post your questions (about anything) during the building process and we will try to help out as best we can. Good luck!

Aceves
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Old 06-14-2013, 11:02 PM
Serf
 
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Location: Modesto, CA
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Default Re: Zeke's 40" in Modesto

Aceves, yours is one of the builds I've studied carefully. You're finish details are great!
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