#1  
Old 12-26-2009, 12:46 PM
Laborer
 
Join Date: Apr 2008
Location: Australia
Posts: 73
Default Hearth pour

Hi guys,

Well I am about to lay the foundation soon as the weather clears up and the suppliers are open again.

Anyways I am thinking ahead re the hearth and had an idea I thought I would ask opinions on or if anyone else has tried it.

Well I am using the 8inch cement blocks like everyone else for the stand but I was thinking rather then forming up the hearth frame with wood, that I would use the 4inch wide cement blocks as the form work. Ie lay a row of the 4 inch wide blocks to stop the cement from pouring out the sides and these blocks will become part of the wall.

Has anyone else tried this or have any comments on it.

Thanks
ikhan42
Reply With Quote
  #2  
Old 12-26-2009, 03:26 PM
Journeyman
 
Join Date: Jun 2008
Location: Melbourne Australia
Posts: 399
Default Re: Hearth pour

Check your PM's
Reply With Quote
  #3  
Old 12-26-2009, 03:34 PM
david s's Avatar
Il Pizzaiolo
 
Join Date: Mar 2007
Location: Townsville, Nth Queensland,Australia
Posts: 4,716
Default Re: Hearth pour

I didn't know Kevin Rudd was building an oven. That's big news.
Reply With Quote
  #4  
Old 12-26-2009, 04:49 PM
Laborer
 
Join Date: Apr 2008
Location: Australia
Posts: 73
Default Re: Hearth pour

Quote:
Originally Posted by david s View Post
I didn't know Kevin Rudd was building an oven. That's big news.
LOL yeah our PM is a busy man does everything but run the country. Hey hes a politician after all.

Thanks johnny but I am in sydney and the shipping would make it an expensive exercise from melbourne.

Any comments on my idea though. I figure I am using the bricks anyways so why buy wood that I will end up ditching. The slab would still be sitting on 4 inches of concrete blocks on all sides and will also be resting on Bondek so hopefully weight distribution wouldnt be a problem.

The way I figure if the scotts oven relies on reinfocement bars to suspend their oven on teh concrete briks and its a heavier oven then what I am proposing shouldnt be an issue. But would like the engineering type to maybe give some input.

thanks again
ikhan42
Reply With Quote
  #5  
Old 12-26-2009, 04:56 PM
Journeyman
 
Join Date: Jun 2008
Location: Melbourne Australia
Posts: 399
Default Re: Hearth pour

I would think it should be ok, make sure the ovens weight is over the blocks not suspended on just the slab. For Sydney supply see Andrew at Field Furnace Refractories in Wetherill Park.
Reply With Quote
  #6  
Old 12-26-2009, 06:24 PM
Laborer
 
Join Date: Apr 2008
Location: Australia
Posts: 73
Default Re: Hearth pour

Quote:
Originally Posted by Johnny the oven man View Post
I would think it should be ok, make sure the ovens weight is over the blocks not suspended on just the slab. For Sydney supply see Andrew at Field Furnace Refractories in Wetherill Park.
Johnny,

I have been emailing Andrew from field furnace as they have all the stuff in one place, I will definately be having the hearth slab resting on the concrete bricks I cant see how the scotts oven with the floor as it is in the Alans book is a secure or sturdy oven the engineering doesnt make sence to me.

Does anyone know anyone on this forum who has done what I am proposing so I could talk to them about pitfalls.

thanks
ikhan42
Reply With Quote
  #7  
Old 12-26-2009, 06:54 PM
Tscarborough's Avatar
Il Pizzaiolo
 
Join Date: Oct 2009
Location: Ausitn
Posts: 3,027
Default Re: Hearth pour

Sure you can. I am going to use 4x4x16 block (sitting on 6x8x16 CMU) as a form on 2 sides of mine.
Reply With Quote
  #8  
Old 12-31-2009, 08:29 AM
jota112233's Avatar
Peasant
 
Join Date: Nov 2009
Location: Cardiff UK
Posts: 30
Default Re: Hearth pour

Hi
I was thinking the very same myself, but with two or three courses of engineering brick. then bringing the hearth slab up to the level of the top brick. i plan on building an enclosure, the same dimensions at the base for the verniculite, so the red bricks showing around the edges won't show from the top, if that makes sense. Building a wooden form for the hearth slab, does seem a lot of unnecesssary expense, to my mind.

Ikhan - you go first!

Jon
Cardiff
UK
Reply With Quote
  #9  
Old 12-31-2009, 08:37 AM
dmun's Avatar
Moderator
 
Join Date: Jul 2005
Location: New Jersey USA
Posts: 4,216
Default Re: Hearth pour

Quote:
I will definitely be having the hearth slab resting on the concrete bricks I cant see how the scotts oven with the floor as it is in the Alans book is a secure or sturdy oven the engineering doesn't make sense to me.
Nor to anybody else. Having the support slab hung from a few pieces of exposed rebar is bad on so many levels that I'm surprised that anybody thought of it in the first place. I suppose the original idea was with the insulation below the support slab (?) that it helped keep the slab hot, as if the rebar pins didn't act as a thermal bridge...
__________________
My geodesic oven project:
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.
,
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Hearth Bread=Hearth Aroma? timo Hearth Bread and Flatbread 18 11-27-2009 03:44 AM
Before I pour...hearth question Pizza Freak Getting Started 7 05-21-2008 12:59 PM
insulating hearth pour waynebergman Getting Started 2 09-06-2007 03:56 PM
Insulating hearth pour & outskirts of oven footprint? waynebergman Getting Started 8 08-29-2007 06:12 PM
couple of detail question before I pour the hearth firepie Pompeii Oven Construction 8 04-26-2006 02:37 PM


All times are GMT -7. The time now is 11:31 PM.

Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.6.0
2006/10 Forno Bravo, LLC