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Post by h12rpo on Apr 30, 2013 8:46:15 GMT
The wisdom on here seems to be slab, thermolites on their side then firebrick oven floor.....no need for the verm Good progress so far
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Post by turkey on Apr 30, 2013 14:48:16 GMT
I agree the thermalites will insulate enough without the need for vermicrete.
your block work looks fine, you did the right thing and staggered them well so they will have formed a very solid base.
Make sure when doing the oven you also pay attention to the staggering of bricks, its no fun pulling parts down to redo at a later stage.
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Post by cannyfradock on Apr 30, 2013 16:11:09 GMT
Stefan
Normally it's vermecrete OR insulation blocks for the under hearth insulation. I've not seen both.(all you need is a thermal layer between hearth and concrete slab. It act's as both insulation for the hearth and prevents a heat sink) Some people use ceramic fibre board also, but I haven't used that so I can't comment on that set up.
Terry
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Post by h12rpo on Apr 30, 2013 18:19:55 GMT
Make sure when doing the oven you also pay attention to the staggering of bricks, its no fun pulling parts down to redo at a later stage. I read that as ' it's no fun pulling pants down.............' ~ Chortle ~
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Post by stefan on May 13, 2013 9:08:47 GMT
Top slab poured yesterday. It's about 60mm thick with some rebar in it. Quite pleased with it. Attachments:
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Post by stefan on Jun 4, 2013 9:03:36 GMT
The messiest job so far was cutting these storage heater bricks with an angle grinder and diamond blade yesterday. The dust was intense, dark purple in color, and I was sporting eye, ear and face protection. I'll be re-cutting the cracked one. My aim is for the storage heater bricks to add more thermal mass, and whilst they will take a while to heat up they should also retain the heat nicely. The storage heater layer will be followed by clay tiles that will form the cooking surface. I am roughly following Vic's amazing build and I'll be pleased if I come anywhere close to his craftsmanship. ukwoodfiredovenforum.proboards.com/index.cgi?board=pompeiioven&action=display&thread=88Fire clay and hydralime was delivered yesterday. I paid around £15/bag for the fire clay at Travis Perkins, quite pleased with that. Was cheaper than Jewsons and since I have a trade card at Travis they also delivered it to my house for free. More to come. Attachments:
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Post by stefan on Jun 9, 2013 12:51:27 GMT
Laid the hearth bricks yesterday. They will be followed by a layer of clay tiles eventually. Attachments:
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Post by stefan on Oct 24, 2013 9:16:53 GMT
It's been a while... Long summer holidays, then I has to wait for the concrete mixer to be available. Now it's starting to get cold. Nevertheless I managed to get the oven floor laid, and a few more courses done. I think I've now got a half decent mortar mixture of 5:1:1:1 sand, cement, hydralime and fireclay. I'll try and finish the dome before the winter, although I may not make it Attachments:
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Post by stefan on Oct 24, 2013 9:17:34 GMT
Here I was preparing for the first course. Attachments:
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Post by stefan on Oct 24, 2013 9:18:11 GMT
Oven floor Attachments:
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Post by stefan on Oct 24, 2013 9:18:45 GMT
One more of the floor whilst I was laying the tiles. Attachments:
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Post by bookemdanno on Oct 24, 2013 12:09:50 GMT
Nice work Stefan!
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Post by cannyfradock on Oct 24, 2013 17:40:00 GMT
Stefan
Your build is coming along fine. One suggestion I would make is, even though it seems you are trying to "butt" the internal joints of the dome bricks dry.....you still have a small empty perp. (perpendicular joint) I would put a mortar joint on the inside of the brick when you butt one against each other. Even if you try to butt the internal joints tight against each other......there will be a mortar joint between them, which will squeeze out from the bricks. this excess can be scraped off with a trowel then, wiped over with a wet/damp sponge (while still fresh) to give a nice "seal" to the interior.
Terry
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Post by stefan on Oct 5, 2014 20:12:25 GMT
Hi all, it has been a long time coming and I'm the talking point of the neighborhood for the slowest progress ever made on a wood fired oven :-) But not to worry, I'm enjoying the slow pace. Here are some updates. this one's from March 2014, I was working on the dome also from March 2014
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Post by stefan on Oct 5, 2014 20:18:28 GMT
May 2014, got a bit more height August 2014, almost closed the dome September 2014 - the dome is closed! Major milestone. It got incrementally harder to get the bricks to fit further up the dome so there are larger joints than lower down. I did all cuts crudely with an angle grinder and diamond disk. I supported the last few roles with some wood on the inside of the dome and pieces of brick until it dried.
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