Inventors:
Steven Everett Doty - Charleston WV
Robert Jeffry Maddy - St. Albans WV
Assignee:
Peerless Block & Brick Co. - St. Albans WV
International Classification:
C04B 1608
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.