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  #131  
Old 07-20-2013, 08:13 PM
david s's Avatar
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Location: Townsville, Nth Queensland,Australia
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Default Re: house brick for stand, quick quetsion

You can simply add another layer over the existing one, but start from the base and work up. If you tap the surface with the flat of your trowel you can get a surprisingly even form.If it were mine i'd be waiting a week for the existing vermicrete to dry (pray for sun and wind, no rain) before doing your next layer.

Hmm, Melbourne winter, you might be waiting a long time. You may have to rely on fires in the dome to do the drying.

Last edited by david s; 07-20-2013 at 09:39 PM. Reason: Melbourne weather
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  #132  
Old 07-20-2013, 08:33 PM
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Join Date: Jun 2013
Location: Queensland Australia
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Default Re: house brick for stand, quick quetsion

Concrete / cement/mortar cures by chemical action and will cure under water, the wet will make it better the cold will slow it down. Concrete and mortar reach design strengths in 28 days and 75% at 14 days so I would go for 2 weeks.
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  #133  
Old 07-21-2013, 10:24 AM
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Join Date: Apr 2013
Location: Australia
Posts: 155
Default Re: house brick for stand, quick quetsion

oh dear, trying to work with extra chicken wire on top was BAD idea.
simply going on top of the existing shell with trowel did the trick, had just little extra work with one batch that i made little more wet than i would like but 3 other batches went on troubles free.
I figure I got now 2" of ceramic blanket and anywhere from 2"-4" of perlite/cement mix.
around floor/bottom courses of bricks and the top i got around 4" and about 2"-3" mid section. I should be happy with that going by all my readings around forums.

here it is
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  #134  
Old 07-21-2013, 10:27 AM
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Join Date: Apr 2013
Location: Australia
Posts: 155
Default Re: house brick for stand, quick quetsion

i still got my decorative render to go and paint but all the important bits are now done so let me just say THANK YOU to everyone that posted in reply to my questions (some of it silly i'm sure) every going past drouin/warragul and want to drop in to say hi let me know and I make sure I have a cold one waiting for anyone that helped.
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  #135  
Old 07-21-2013, 01:52 PM
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Default Re: house brick for stand, quick quetsion

Drive off the water from the vermicrete before you do the render, otherwise you'll probably crack the outer shell.
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  #136  
Old 07-21-2013, 05:54 PM
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Default Re: house brick for stand, quick quetsion

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Originally Posted by david s View Post
Drive off the water from the vermicrete before you do the render, otherwise you'll probably crack the outer shell.
Oh yes that is the plan considering the weather I don't expect to go ahead with render for couple of weeks minimum
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  #137  
Old 07-25-2013, 03:44 AM
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Join Date: Apr 2013
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Default Re: house brick for stand, quick quetsion

hi all again, i worked out from pictures time stamps that it was 8 days since brick work was finished so i started doing my curing fires, got few kindlings and one larger bit of wood burning in the middle, i didn't manged to hit 200F (93C) on first 2 days and today still not quite there even at the very top of the dome above the flame, should i due to my oven size make the fire little bit bigger? the curing thread on the forums said to reach 200F with single log of wood but there is just no way that is going to happen any soon unless i'm missing something?

also how safe/unsafe is wood fire oven while burning small fire? should i watch it like a hawk or is it safe to walk away and get fresh beer from the fridge upstairs?
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  #138  
Old 07-25-2013, 04:03 AM
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Default Re: house brick for stand, quick quetsion

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Originally Posted by CrocAu View Post

also how safe/unsafe is wood fire oven while burning small fire? should i watch it like a hawk or is it safe to walk away and get fresh beer from the fridge upstairs?
As with any fire be careful, a chimney cap which i see you already have on top of the flue and some type of spark arrestor or blocker in front of the door opening if you have anything that will burn near the front of the oven. I see from your photos you already have a door so place it just outside the decorative arch to stop any sparks from exiting, then go get a beer.

Now that mine is complete I leave it burning for hours unattended but there is a formal cap and nothing in the front of the oven within 15 ft that can burn.
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Last edited by mrchipster; 07-25-2013 at 04:07 AM.
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  #139  
Old 07-25-2013, 04:10 AM
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Join Date: Apr 2013
Location: Australia
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Default Re: house brick for stand, quick quetsion

wow Chip your oven and space around it looks fantastic.
i have china man cap on my chimney and i put door in place leaving only small gap for some air to get in.
i don't plan to leave it on its own with fire going for more than toilet break till i clean up the area.
as for spark arrestor would love to hear some ideas that are available in australia, maybe just put steel wool from the kitchen inside of chimney?
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  #140  
Old 07-25-2013, 04:16 AM
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Default Re: house brick for stand, quick quetsion

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Originally Posted by CrocAu View Post
wow Chip your oven and space around it looks fantastic.
i have china man cap on my chimney and i put door in place leaving only small gap for some air to get in.
i don't plan to leave it on its own with fire going for more than toilet break till i clean up the area.
as for spark arrestor would love to hear some ideas that are available in australia, maybe just put steel wool from the kitchen inside of chimney?
Thanks for the compliment, my spark arrestor is built into my cap, it is stainless expanded metal and seems to trap any sparks.
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