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montiesridge 04-25-2011 12:49 AM

Need help with the mortar mix
 
Hi all - Ive just started building the dome on my oven and I need help with the mortar mix.
I have purchased A600 Chinese Cement from Field Furnace Refractories (wetherall park sydney).
Is this a premix or do need to add sand etc.?
What are the ratios?
I have also read alot about adding fire clay, is this necessary in this cement?
Thanks
Heath

Johnny the oven man 04-28-2011 10:30 PM

Re: Need help with the mortar mix
 
FFR should be able to help you, call Andrew or Alan.

nissanneill 04-29-2011 05:15 AM

Re: Need help with the mortar mix
 
Hi Heath and welcome aboard.
I personally wouldn't use any of these products and stick with the poor man's mortar for several reasons. It is easy to make, cheap and seems to out perform all these other refractory products.

Cheers,

Neill

OzOvenBuilder 11-12-2011 03:57 AM

Re: Need help with the mortar mix
 
Quote:

Originally Posted by nissanneill (Post 112020)
Hi Heath and welcome aboard.
I personally wouldn't use any of these products and stick with the poor man's mortar for several reasons. It is easy to make, cheap and seems to out perform all these other refractory products.

Cheers,

Neill

I agree! I've built a few and especially those ovens with a lot of reinforced thermal mass on top, things are not going to move too far, only as far as a quality fire brick will allow! I know with the method I use, very little of the mortar actually sees flame and has no way of getting into the oven.

cobblerdave 11-12-2011 09:00 PM

Re: Need help with the mortar mix
 
montiesridge
How did you go?....What was the answer from Allan/Andrew I would like to know myself

Regards Dave

Rae 11-22-2011 11:46 PM

Re: Need help with the mortar mix
 
I would also like to knwo what to mix the A600 with...?
Anyone find out the answer? IS it just water is sand required?

Johnny the oven man 12-01-2011 07:28 PM

Re: Need help with the mortar mix
 
Quote:

Originally Posted by cobblerdave (Post 123449)
montiesridge
How did you go?....What was the answer from Allan/Andrew I would like to know myself

Regards Dave

Actually Dave, Andrew has left FFR sometime ago.

Johnny the oven man 12-04-2011 01:06 PM

Re: Need help with the mortar mix
 
Quote:

Originally Posted by Rae (Post 123912)
I would also like to knwo what to mix the A600 with...?
Anyone find out the answer? IS it just water is sand required?

Vermiculite. Various ratios, for different strengths.

david s 12-04-2011 02:48 PM

Re: Need help with the mortar mix
 
Quote:

Originally Posted by Johnny the oven man (Post 124289)
Vermiculite. Various ratios, for different strengths.

Vermiculite in the mortar??
Won't this make it way too coarse?

HeidiL2011 12-05-2011 08:25 AM

Re: Need help with the mortar mix
 
Hi All,

1 part Portland cement
3 parts sand
1 part lime
1 part fireclay

Thanks,
Heidi FB


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