Product Summary

Chicago Metallic™ 650 (Hook)/670 (Stab) Fire Rated Drywall Grid Systems are Fire Rated suspension for drywall ceilings. Each are made from galvanized steel and are factory punched for accurate cross spacing. Made primarily for hospitals, healthcare facilities, retail, lobbies, department stores, galleries, or residential high rises, these systems provide faster and more accurate alignment than traditional construction.

Chicago Metallic™ 650 (Hook)/670 (Stab) Fire Rated Drywall Grid Systems and all of Rockfon’s® products are available through Merrimack Building Supply. We are New England’s largest distributor of Rockfon® products and have three convenient locations in NH, MA and CT.

Features and Benefits

  • Precise transition between acoustical and drywall ceilings.
  • Sustainable: Minimum 25% recycled content, 100% locally recyclable, global/regional manufacture.

Fire Performance

Chicago Metallic suspension systems meet a Class-A flame spread rating in accordance with ASTM standard E1264-08.

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, G-40 hot-dip galvanized body and knurled face cap, 1-3/8″ width, 1-1/2″ height. Also complies with ASTM C 645 and ASTM C 754.

Hygienic Properties

Sustainability

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

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