We poured the foundations for the brick, exterior walls (42 linear feet, 10 inches thick, 6 inches deep, with two strands of 1/2 inch rebar running through them) and for the interior, stud walls (20 linear feet, 6 inches thick, 6 inches deep, with two strands of 3/8 inch rebar running through them).First of all, Abe compacted all the sand sub floor with a compacter we borrowed from our local city council. Yes, that's right, I did say borrow - our city council lends out its tools, no charge, to its constituents. It also delivers our sand by the dump truck load for $18, and we had a load arrive this week.
Next, we set up the forms for the foundations. We used fabric forms. We loved the system for pouring posts and have been eager to try it out on foundations. It worked a treat. We used 2"x4" lumber, raised up to the level we wanted on little stilts, which were pounded into the compacted sand. We leveled the t
op of these boards. We then stapled black plastic to the top of the boards, allowing it to sag down to the ground the depth and width we wanted. We put in our rebar reinforcement and our corner castillos, and then poured a 3:1 mix with added concrete fibers.We are now in the process of filling the rooms up with sand, up to the level of the foundations.
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