Wire mesh - The wire mesh is composed of steel rods with a minimum gauge 10 welded in accordance with AWS D1.1. They are separated 4" from center to center in both directions.
Foam - The foam is expanded polystyrene, with an approximated density of 1 to 1.5 pc. The standard dimensions for the expanded polystyrene foam board is 4'-0" by 8'-0" by 2" thick.
Zig-Zag Wire - the zig-zag wire is gauge 10 (ASTM A-82) bended in sections of 4 inches and bended in 60 degree angles so that the final zig-zag form has three inches in height and 4 inches from one zig-zag to the other.