Abstract: A masonry block having indentations and rounded and recessed portions to facilitate the bundling and transport of a bundle of the masonry blocks using convention bundling straps. A bundle of masonry blocks is formed such that on the top row of the bundle the indentations of the masonry blocks are facing upward, and on the bottom row of the bundle the indentations of the masonry blocks are facing the ground. The masonry blocks are also positioned such that the external edges of the rows of the bundle comprise rounded and recessed portions of the masonry blocks.

Abstract: A cementitious composition for the molding of ultra-lightweight, durable, large structural units comprising Portland cement, coal combustion byproducts, expanded or extruded polystyrene and water, and a modified block machine used in the manufacture of such structural units.