Holding units for stay in place molds

A stay in place construction mold useful in the construction of concrete walls, said mold comprising:

• (a) two fiber cement panels positioned parallel one to the other;
• each fiber cement panel having a flat substantially uniform external and internal surface and a plurality of pass-through openings;
• (b) multiple holding units, said holding units comprising:
• a flat rectangular main body;
• an indentation substantially located at the center of the upper side of the flat rectangular main body;
• a left and right lateral edges having a completely flat outer surface perpendicularly located at and extending from the lateral sides of the rectangular body, a pass-through opening located on said flat surface of each one of the lateral edges, a lower edge perpendicularly positioned at the lower side of the bottom side of the flat rectangular main body, wherein each of said holding units are fastened to the internal surface of the fiber cement panels in a series of multiple columns, each of said column being apart from the others at a predetermined distance and each holding unit within a column being apart from the next holding unit at a predetermined distance,
• (c) fastening means for permanently connecting said holding units to said internal surface of said fiber cement panels via the pass-through openings located on said flat surface of each one of the lateral edges and the plurality of pass-through openings of said fiber cement panels.