Ceiling Suspension Grid: Drywall
640 (hook)/660 (stab) Non-Fire Rated / Fire-Front 650 (hook)/670 (stab)

Applications
Hospitals, hospitality, retail, lobbies, department stores, galleries, residential high rise.

Features

• Heavy Duty grid systems for drywall ceiling framing.
• Fire, seismic and flatness control.

Benefits

• Reduces onsite labor.
• Eliminates black-iron and hat-channel.
• Reliable appearance and cost control.
• Precise transition between acoustical and drywall ceilings.

Physical Data

Material:
Body and Cap – HD galvanized steel

Size:
1-3/8" W x 1-1/2" H

Fire:
Class A fire rated per ASTM E 84.

Performance:
Heavy duty per ASTM C 635
Exterior environment

Warranty:
40 year limited

Sustainability:
Minimum 25% post consumer recycled content, 100% locally recyclable,
global/regional manufacture.

Drawings

Chicago Metallic Corporation
Ceiling Systems and Specialty Products
U.S. and Canada Toll Free: 800-323-7164
Fax: 800-222-3744
E-mail: cmc-customerservice@chicagometallic.com
Website: http://www.chicagometallic.com