Constructed from ½” plywood, the mould is 4’ tall, 6” wide and 2” deep |
Once the mould was sealed, primed and sprayed with a release aerosol, we poured and smoothed the first test-batch of concrete. |
12 hours later the concrete was both hardened and cracked in three places. |
In reaction, we suspended rebar in the mould with wire and continued to re-pour a new mixture of concrete that used less water and more fine sand. |
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