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N.C. IA | Here’s what I did. Crude sketch shows where I welded rebar to the angle iron. Formed a 2’ wide by 6” depth on inside side of shed. Built a ‘bridge” with 2x6 from inside form to stakes outside of door far enough out to get to solid ground. Attached angle iron to this bridge once I had grade. Ran 2x4’s from outside stakes diagonal down to outside form to make a clean square outside edge. Once poured and dry, I sawsalled the screws holding the iron to the form. Forgot to mention, stapled expansion foam to posts on each side. Only thing I’d do different would be to add a spacer of some kind between bridge board and iron…the way I did it left a print in the concrete as you see in the pics. Sketch is of a side view. Should’ve taken pics when I had it formed up, but was working alone and scrambling to finish before the crete got there.
Edit to add; 15 below this morning and door opens just fine!
Edited by Old#7 1/21/2025 09:33
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Concrete under sliding doors, best way to form
