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-   -   Vent Arch Mortar (http://www.fornobravo.com/forum/f28/vent-arch-mortar-18219.html)

JFoster0403 08-13-2012 05:45 AM

Vent Arch Mortar
 
Hello, I'm at the point on my oven that i'm building the vent arch and chimney. I was wondering if it would be ok to use standard masons mortar for the vent arch and chimney? I used heat stop in the dome and everything. The vent arch i was thinking doesn't have a direct flame therefor wouldn't be as hot. I look forward to any opinions. Thanks!

Gulf 08-13-2012 06:06 AM

Re: Vent Arch Mortar
 
It may get hotter than you think. Did you save any firebrick dust from your dome build? If so, you could substitute that for fire clay to make "homebrew".

JFoster0403 08-13-2012 06:40 AM

Re: Vent Arch Mortar
 
Thanks for getting back to me, i didnt save any dust from cutting the bricks. I looked on the materials appendix on the forno bravo website, and for the vent arch and chimney it says standard mortar. I just wanted to check before I went ahead and used it. My oven would only be occasional use. I won't be using it every day.

GianniFocaccia 08-13-2012 10:23 AM

Re: Vent Arch Mortar
 
Harvest the brick dust when you cut your chimney bricks. Otherwise, a bag of fireclay costs around $9.

deejayoh 08-13-2012 11:39 AM

Re: Vent Arch Mortar
 
Quote:

Originally Posted by GianniFocaccia (Post 136587)
Harvest the brick dust when you cut your chimney bricks. Otherwise, a bag of fireclay costs around $9.

And you'll have an extra 75 pounds of it forever :rolleyes:

tonybaker 08-15-2012 09:36 PM

Re: Vent Arch Mortar
 
I just used a ready mixed bag of mortar. The arch bricks do not get that hot, however i did place a piece of fibre glass rope as a heat barrier between the two arches.

My bricks are made from pumice and I can easily place my hand on the top of the dome when the interior is around 400 degrees C.


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