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Old 02-21-2014, 07:56 AM
Serf
 
Join Date: Jul 2011
Location: SE KY
Posts: 24
Default Repair question, need help

I have a two year old WFO than I did stone on the outside of the dome which I now know not to do. The heat caused it to crack and water keeps my vermiculite soaked now, so I have to figure out which way to go to fix. One kink in the deal is that the base of my oven has a rounded back so it make building something square on top of it a little tricky. I was thinking about going one of two ways, either doing a stucco cover on what I have there now or pouring a square concrete ledge around the top and building off of that (after some serious reinforcing of course). Would appreciate any input. I would hate to build a freestanding structure to cover it just because of aesthetics, but????? If I do stucco is there a link on here on what will work? Picture of it below.
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Old 02-21-2014, 08:14 AM
Journeyman
 
Join Date: Mar 2011
Location: Bucks County, PA
Posts: 297
Default Re: Repair question, need help

If it were me, I would think about putting some sort of roof extending off your pergola....I think you could make it look real nice and intentional. Stucco on outside of oven would be a travesty considering the nice stone work you did....
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Old 02-21-2014, 10:43 AM
ATK406's Avatar
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Join Date: Jul 2012
Location: Michigan
Posts: 206
Default Re: Repair question, need help

Sorry I was unable to view the picture you attached. The pictures on the other threads open up ok so I am not sure what is going on here. Anyway I would really like to see your oven, I read somewhere that it has a real good look.

BTW I am also a motorcyclist and I'm also amused by the alternative meaning for "WFO" - as in "When this snow clears I am going to go WFO to finish my WFO so I can go WFO on my bike!"

Regards,
AT
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Old 02-21-2014, 12:54 PM
Serf
 
Join Date: Jul 2011
Location: SE KY
Posts: 24
Default Re: Repair question, need help

Looks like we enjoy less than mainstream motorcycles, too. I have Gasgas now, almost bought an ATK back in the day, even talked to Horst about it. I was doing some magazine work then and was going to do a write up, but it all fell through.
Anyways, you can try my Flickr site, thats where the pic was linked from, Flickr: bkdjr2000's Photostream . Few moto pics on there, too, excuse family stuff.
Do more mtn biking these days than moto, but it seems to go in cycles.

Last edited by kendunn; 02-21-2014 at 01:03 PM.
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Old 02-21-2014, 05:05 PM
david s's Avatar
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Join Date: Mar 2007
Location: Townsville, Nth Queensland,Australia
Posts: 4,887
Default Re: Repair question, need help

I agree that it would be a pity to cover that nice stonework. If it were mine I would use an elastic acrylic product to fill any cracks in the mortar to prevent water intrusion. You will never completely waterproof your oven, short of covering it with a roof. After heavy extended rain periods your oven will get wet through the entry even though you may have the dome totally sealed. A couple of long gentle fires restores the oven to normal operation. We live in the tropics and our infrequent rain usually get measured by how many times the rain gauge overflows. Our oven is out in the weather.
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Old 02-21-2014, 07:17 PM
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Join Date: Apr 2007
Location: Adelaide, South Australia
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Thumbs up Re: Repair question, need help

Hi David,

Quote:
We live in the tropics and our infrequent rain usually get measured by how many times the rain gauge overflows.
I heard yesterday that you got around 120 - 160mm of rainfall in the 24 hours just west of Townsville.
A very welcome for the drought affected graziers but a bit rich for the city dwellers.
Anyway, I hope you are app OK.

Neill
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Old 02-21-2014, 07:53 PM
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Default Re: Repair question, need help

Thanks Neill,
Yes we also got another 100 mm the following day.
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Old 02-23-2014, 09:22 PM
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Default Re: Repair question, need help

I'm with jeeppiper - seal the cracks and extend the roof on your pergola over the top of your oven -maybe use some steel roofing to keep the direct rainfall off of it. Hate to see you cover that nice stone work on your dome with stucco (which is just as likely to crack anyway).

Nice pictures on Flickr btw. I've thought about getting a Gas Gas to upgrade my trials mount (I've got a '86 TY 250 that I ride now). The ATK has been a great bike - I don't do so much motocross but I love it in the woods - short wheelbase, light weight and lots of torque. Mine is the 6 speed Cross Country version so put it in 3rd or 4th and it's almost like riding an automatic. Very cool that you actually got to talk to the designer. Mine is a '92 which is one of the last years that they actually made real ATK's (with the idler sprocket and countershaft mounted brake).

Good luck on your project and keep us posted on what you decide to do.

Regards,
AT

Last edited by ATK406; 02-23-2014 at 09:27 PM.
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Old 02-25-2014, 09:57 AM
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Location: Seattle
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Default Re: Repair question, need help

Quote:
Originally Posted by kendunn View Post
Looks like we enjoy less than mainstream motorcycles, too. I have Gasgas now, almost bought an ATK back in the day, even talked to Horst about it.
Is that Horst Leitner? I worked for him one summer when I was in grad school. Down in Laguna Beach @ AMP Research. Fun times! I still have the AMP B4 he gave me

To the OP's question - I don't see how the thing ever gets dry if you seal up the top. Seems to me that you're likely to need to remove the stone so that the insulation can dry and then cover it with something water tight. I like the first suggestion of extending a cover off of your pergola that would keep most of the rain off of your oven. Just extend the chimney through it
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Last edited by deejayoh; 02-25-2014 at 10:02 AM.
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Old 02-25-2014, 06:56 PM
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Location: Mississippi
Posts: 1,682
Default Re: Repair question, need help

Vermicrete is a good insulater. But, I think that is unless it is fully dried before ramping up the temps, it will help to have an expansion joint between the oven brick and the insulation. Ceramic Fiber blanket worked great in my case. In your situation, to keep from removing those great looking stone, I would fire it as much as possible to remove all moisture. Then I would place a vent at the top to relieve any further mosture that will be trapped in the oven. Then, I would patch and seal. But also, do as Dennis recomends. Put a roof over it
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