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james 04-05-2009 04:41 PM

Brick counts
I have been thinking about the brick and mortar counts in the Pompeii Oven eBook, and wanted to see how accurate our Materials Lists are. So I need your help. Can you scan back through your notes (or memory) and tell us a close brick and mortar count and the size of your oven.


The Pompeii Oven eBook calls for the following:

65 bricks for the floor
135 bricks for the dome
30 bricks for the vent
150-200lbs mortar

60 bricks for the floor
120 bricks for the dome
30 bricks for the vent
130-180bls mortar

Thanks all!

Les 04-05-2009 05:08 PM

Re: Brick counts
James - I recall buying 275 bricks for my 42 inch (may be off because of old timers). I tossed a ton of scrap because of the cuts.


Gromit 04-05-2009 06:03 PM

Re: Brick counts
I am not really answering the question since I have built no oven; however, I have dusted off my high-school geometry. The surface area of a hemisphere is r^2*2*pi.

36" =~ 2,036 SQIN =~ 91 bricks for dome
42" =~ 2,771 SQIN =~ 123 bricks

If one is tapering the bricks, then use the surface area of the outer dome to arrive at the maximum number of bricks that could be used:

45" =~ 3,181 SQIN =~ 142 bricks
51" =~ 4,086 SQIN =~ 181 bricks

If you use more bricks than that, then they are ending up somewhere else besides the dome!

I am very interested in the REAL answer to this question, because I will begin my own oven soon.


Jed 04-05-2009 10:16 PM

Re: Brick counts
Hey All,

Seams to me that I brought home 175 fire brick. There were maybe 8 left over after the build, and I used some red brick building the vent... On a 36 inch Pompeii.


bimbo 04-06-2009 02:59 AM

Re: Brick counts
give me a couple of weeks and i should be able to give you an answer

egalecki 04-06-2009 06:39 AM

Re: Brick counts
I remember buying 200 firebrick for my 36, and I have maybe 5 or 6 whole ones left. I did reuse a lot of my offcuts for wedges, etc. I hate to waste.

Modthyrth 04-06-2009 09:48 AM

Re: Brick counts
I built a 42" dome, as basic as you can get--lintels, no angle cuts.
I bought 225 firebricks (brought 224 home, they miscounted by 1),
used 24 for the firepit,
and have 11 left over.

So it looks like the oven took 189 bricks.

I think the estimates in the plans would have worked perfectly for me, if I hadn't stolen the 24 bricks for the firepit.

TonyBatty 04-09-2009 09:01 AM

Re: Brick counts
I still have to complete the small chimney and front arch but I expect to use all of the 200 bricks bricks I ordered for my 42" Pompeii

Ken524 04-09-2009 03:41 PM

Re: Brick counts
42" Pompeii - All bricks custom cut/tapered
295 Medium Duty firebricks
2.5 bags of HeatStop 50 (50 lbs bags)

james 04-09-2009 05:03 PM

Re: Brick counts
Thanks Ken,
Do you have a theory on why you went to a higher brick count than some other builders?

Also, if anyone else has mortar counts, that would be helpful as well.


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