Material
ASTM-A653 CS Type B Galvanized Steel, G-30 Coating LFQ Chemical Treatment

Gauge
28GA

Insulation
Linacoustic RC manufactured by Johns Manville. Available Thickness: R4 – 1″, R6 – 1 1/2″ Specs available upon request

Assembly
Assembled with button punch snaplock seams and 1/8″ x 5/32″ zinc coated steel rivets. The collar is 3 1/2″ tall roll formed 30GA Steel with 1/4″ roll formed beading.