Product Summary

Chicago Metallic™ 640 (Hook)/660 (Stab) Non-Fire Rated Drywall Grid Systems are made from galvanized steel and are factory punched for accurate cross member spacing. Designed to provide a more accurate alignment than traditional construction methods, Chicago Metallic™ 640 (Hook)/660 (Stab) Non-Fire Rated Drywall Grid Systems are suitable for seismic applications and provide a smooth transition between acoustical and drywall ceilings. The primary applications for these grid systems are healthcare facilities, retail, lobbies, department stores, galleries, or residential buildings.

Merrimack Building Supply is the leading distributor for Rockfon® products in the Northeast and offers clients three convenient locations throughout New England.  If you are interested in learning more about Rockfon® or the Chicago Metallic™ 640 (Hook)/660 (Stab) Non-Fire Rated Drywall Grid Systems please contact us today.

Features and Benefits

  • Heavy duty grid systems for drywall ceiling framing.
  • Reduces onsite labor.
  • Eliminates black-iron and hat-channel.
  • Reliable appearance and cost control.
  • Chicago Metallic suspension systems meet a Class-A flame spread rating in accordance with ASTM standard E1264-08.

Fire Performance

ASTM E1264 Classification

Applications

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

Materials

ASTM C 635 Heavy Duty (HD) furring runner classification; commercial quality steel, hot-dip galvanized body and knurled face cap

Hygienic Properties

Sustainability

Minimum 25% recycled content, 100% locally recyclable, global/regional manufacture.

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