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DIY Pizza Oven Foundation Slab Pour - May 2024

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After bending and installing the rebar, reinforcing grid and vapor barrier , it was now time to pour the foundation slab for our diy backyard wood-fired pizza oven.   As I posted about last week, I shrunk the foundation slab down to be 72" wide and 80" front-to-back.  It is 5.5" thick (2x6's for concrete forms).   This is sitting on top of six inches of 1/2" compacted gravel and a 48" deep of large rock drywell.   I used an online concrete estimating calculator tool and when you put those dimensions in, it says that I needed 42 60# bags.    I have to pour two slabs - this foundation slab and then, once I build the stand, an insulated hearth.  Each approximately the same size.   When adding those two up, I ordered 85 60# bags and had them delivered.  I opted for 4000 PSI concrete - as a little bit of an upgrade over the baseline concrete. Knowing that the labor involved in this pour is in two parts, I opted to split them up:  first...hauling the concrete