#21  
Old 11-26-2006, 03:47 AM
james's Avatar
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Location: Pebble Beach, CA
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Hair line cracks can happen, and are typically just on the surface and are not a problem. The instructions we get from the Artigiano builder roughly translate to "small hairline cracks can occur due to thermal expansion and contraction and are a normal part of a brick oven. They will not effect how well your oven cooks or how long it will last. Don't worry."

Relax and enjoy the last day of the Thanksgiving weekend. I think your oven will be great.

James
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  #22  
Old 12-03-2006, 01:52 PM
Peasant
 
Join Date: Oct 2006
Location: Oakton VA
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Finally, after several weeks of not using my oven I fired it up today and made some pizza. The oven seems to be in great condition. I believe I see a hairline crack in the oven but that might have been there before.

For anyone who finds water in/around their oven, these are the steps I followed:

- waited a few days after the rain (if rain was a cause)
- used a space heater on low with the door open partially (enough that the heater wont shut off) for 2-3 days straight.
- cured the oven (again) very slowly over 7-9 days.

The picture is of the neapolitan pizza I made today. I was going for the airy crust. Pizza made in 900 degree oven for 90 seconds.

Thanks to those who helped me get through my water troubles. My granite piece is on and I'm waiting for the next heavy rain to ensure no water is getting into/around the oven.
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Oh no - my oven is wet-img_2707.jpg  
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  #23  
Old 12-03-2006, 02:01 PM
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Welcome back on-line Arthur. You have earned it! I sure hope you are water tight from here on.

Great cornice on your PN. Looks perfect.

btw -- I have added a photo gallery to the Forum, which is divided into categories. You could have the honor of posting the first pizza photos.
James
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  #24  
Old 12-08-2006, 06:49 AM
Il Pizzaiolo
 
Join Date: Nov 2006
Location: San Antonio
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Default Sealing Rock and Stuccco???

When I built my current house with a 4 inch thick limestone exterior the masons commented that limestone and cement can be very porous to water. For the house there is a nominal 1 inch gap between the rock and the real exterior wall of the house and weepholes in the wall to allow water that gets thorugh the rock to escape.

When I built my oven I sealed the chimney, cap and dome of the oven after I had the oven well dried out (about a year and after an extended dry spell). I have to suspect you have a thin spot or porous rock (or cement) that is allowing water through. I would suggest putting some tile/granite sealant on the flat part of the chimney (though I don't think that is where your leak is) and over the flat rocks and rear wall of the oven.

Good Luck!
Jay
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  #25  
Old 01-04-2007, 02:47 PM
Peasant
 
Join Date: Oct 2006
Location: Oakton VA
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Default Re: Oh no - my oven is wet

Well - my water problem is back - apparently it never left.
I had a mason over the house today to take a look. We believe (again) we know what the problem is.

When I built the oven I built it on a 2" high slab, but the patio was built higher than the slab - so my oven rests on (concrete blocks on-top) of a 2" inch slab, but the 20' x 20' patio is higher than the slab and the water is all coming off of the patio into the wood storage area. Even though it hasn't rained here in days the concrete slab is still wet and the bottom of my wood pile is wet. The mason believes that either the water is soaking up the concrete blocks or the water is getting to underneath the hearth by humidity (he speaks a different language so I'm not sure I understood correctly).
Anyways, I just put some concrete down at the entrance of the wood storage to make it higher than all points around it - in other words, so the water would go around the oven and not into the wood storage area.

Now, I'm not sure if this will fix my problem. I was 100% sure the last time that it was related to the lack of covering (granite) over my landing, but I was wrong then.

I am trying this. I think the limestone point may be valid but the mason says that there's no way that water is getting through the outside stone or concrete.

It's clear that in my oven - like the previous pictures I posted - the water is working it's way up from the bottom - as if the vermiculite is getting water from some location.
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  #26  
Old 01-04-2007, 05:03 PM
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Default Re: Oh no - my oven is wet

Bummer! Is the water/dark spot in the oven in the same spot as last time?
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  #27  
Old 01-04-2007, 06:36 PM
Peasant
 
Join Date: Oct 2006
Location: Oakton VA
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Default Re: Oh no - my oven is wet

Yes, a bit smaller but the same spot - as in these pictures:
http://www.fornobravo.com/forum/6268-post4.html (Oh no - my oven is wet)

Again the floor of the oven is/was dry and just the back left part of the dome is wet.

You can see in the pictures that the outside of the oven is completely enclosed with stone. You can see in the picture the small use of limestone as a border. As I said the mason doesn't think that any water is getting through there - or soaking through the limestone.

Last edited by PizzaArthur; 01-04-2007 at 06:39 PM.
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  #28  
Old 01-04-2007, 06:44 PM
Peasant
 
Join Date: Apr 2005
Location: Napa California
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Default Re: Oh no - my oven is wet

Hi Arthur---I had a problem with water causing some dampness inside the oven. I used a waterproofing product from Baer that is sold at Home Depot. I sprayed the entire igloo dome and the poured work area on both sides of the oven.I also sprayed the base and have not had any water problems since. You can actually see the water bead up on the stucco. It is supposed to last for 5 years. I'm going to spray it each fall to avoid the problem. This might work for you---Mel
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  #29  
Old 01-05-2007, 06:58 AM
Peasant
 
Join Date: Oct 2006
Location: Oakton VA
Posts: 46
Default Re: Oh no - my oven is wet

It's been raining all morning (and should be all day). My concrete "ramp" is holding back the water. I don't see any increase in the size of my wet spot in the oven at this point. I am very interested in the waterproofing product you mentioned. What exactly is the name? Is it clear? Do you think I can spray it on stone and limestone and concrete?

Quote:
Originally Posted by vitoduke View Post
Hi Arthur---I had a problem with water causing some dampness inside the oven. I used a waterproofing product from Baer that is sold at Home Depot. I sprayed the entire igloo dome and the poured work area on both sides of the oven.I also sprayed the base and have not had any water problems since. You can actually see the water bead up on the stucco. It is supposed to last for 5 years. I'm going to spray it each fall to avoid the problem. This might work for you---Mel
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  #30  
Old 01-05-2007, 10:13 AM
Peasant
 
Join Date: Apr 2005
Location: Napa California
Posts: 46
Default Re: Oh no - my oven is wet

Hi Arthur--- The product is Behr Concrete and Masonry Waterproofer, Product # 980. It comes in a blue one gallon container. It says it works on concrete, brick, aggregate, Mexican tile, masonry, stucco. I applied it with a one gallon garden sprayer. It goes on looking like milk, and dries clear.

Last edited by vitoduke; 01-09-2007 at 01:46 AM.
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