CPC E04B 2/46 (2013.01) [E02D 17/205 (2013.01); E02D 29/025 (2013.01); E02D 29/0266 (2013.01); E04B 2/54 (2013.01); E04C 1/39 (2013.01); E04B 2002/0226 (2013.01); E04B 2002/025 (2013.01); E04B 2002/0258 (2013.01); E04B 2002/0267 (2013.01)] | 22 Claims |
1. A method for making a building block comprising:
positioning a plurality of inserts in a concrete form for forming the building block, wherein at least one of the plurality of inserts causes the creation of a tongue and a groove on the building block that allows interlocking two building blocks together back-to-back, wherein the two building blocks are both made with the concrete form, wherein each of the two building blocks comprises:
a front having a top and a bottom;
first and second sides extending from the front, each of the first and second sides comprising a top that is substantially coplanar with the top of the front and a bottom that is substantially coplanar with the bottom of the front, wherein each of the first and second sides comprises the groove that extends downwardly from the top; and
a back coupled to the first and second sides, the back comprising the tongue that extends upwardly from the bottom;
pouring a concrete mix into the form;
allowing the concrete mix to cure; and
removing the block from the form.
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