DIY Pizza Oven Foundation Slab Pour - May 2024
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...