Back
Back

Product Performance

Load Bearing Expand to view deflection table
 Component Load Test Data and Material
Main Tee Length Allowable Load per ASTM C635
Hanger Spacing
4' 6'
Furring Tees Length
Cross Tee Length
Furring Channel Length
1274.01Z 48" 17.0
634.00C 48" 8.2
640.00C 144" HD
644.00C 48" 14.3
650.00C 144" HD
654.00C 48" 14.3
664.00C 48" 14.3
674.00C 48" 14.3
677.00C 72" 5.24

To convert data into lb/ft2, divide on center spacing of component into lb/ft.
Note: 677 has an allowable load of 7.61 based on L/240 span deflection.

 Membrane Loading
Component Combination MR/CT
Hanger Wire / Cross tee Spacing
48"/24" 32"/16"
640.00C / 644.00C 6.9 10.4
640.00C / 644.00C / 1274.01H 5.5 6.2
640.00C / 664.00C 6.9 10.4
640.00C / 664.00C / 1274.01H 5.5 6.2
640.00C / 677.00C 2.62 3.93
650.00C / 654.00C 6.6 7.7
650.00C / 654.00C / 1274.01Z 5.5 6.2
650.00C / 674.00C 6.6 7.7
650.00C / 674.00C / 1274.01Z 5.5 6.2
650.00C/677.00C 2.62 3.93

Membrane loading is not applicable when these components are used in a fire rated assembly. Consult UL Fire Resistance ​Directory for installation details.

Fire Rated Assemblies Hanger Positions for Fire Rated Situations
This illustrates hanger positions for single fixtures in a field and are covered in the table. Refer to specific design numbers for allowable number of fixtures per square footage of ceiling area.
Non-Fire Rated Assemblies Hanger Positions for Non-Fire Rated Situations
This illustrates hanger positions for single fixtures in a field. Provide extra hangers for tandem fixtures.
Environment Materials and Resources (MR)
-Waste Management Planning
-Interiors Life Cycle Impact Reduction
-Environmental Product Declarations
-Sourcing of Raw Materials
-Material Ingredients
-Waste Management
Indoor Environmental Quality (EQ)
-Low-Emitting Materials
-Interior Lighting
-Acoustic Performance
Back
 Component Load Test Data and Material
Main Tee Length Allowable Load per ASTM C635
Hanger Spacing
4' 6'
Furring Tees Length
Cross Tee Length
Furring Channel Length
1274.01Z 48" 17.0
634.00C 48" 8.2
640.00C 144" HD
644.00C 48" 14.3
650.00C 144" HD
654.00C 48" 14.3
664.00C 48" 14.3
674.00C 48" 14.3
677.00C 72" 5.24

To convert data into lb/ft2, divide on center spacing of component into lb/ft.
Note: 677 has an allowable load of 7.61 based on L/240 span deflection.

 Membrane Loading
Component Combination MR/CT
Hanger Wire / Cross tee Spacing
48"/24" 32"/16"
640.00C / 644.00C 6.9 10.4
640.00C / 644.00C / 1274.01H 5.5 6.2
640.00C / 664.00C 6.9 10.4
640.00C / 664.00C / 1274.01H 5.5 6.2
640.00C / 677.00C 2.62 3.93
650.00C / 654.00C 6.6 7.7
650.00C / 654.00C / 1274.01Z 5.5 6.2
650.00C / 674.00C 6.6 7.7
650.00C / 674.00C / 1274.01Z 5.5 6.2
650.00C/677.00C 2.62 3.93

Membrane loading is not applicable when these components are used in a fire rated assembly. Consult UL Fire Resistance ​Directory for installation details.

Back
Back
Back

Accessories

148780_r1_ROC_GridDS_EPSFiles_SingleImages_Drywall
Back

Resources

 

 

print pdf
icon
Rockfon Seismic Relief Brochure
Rockfon Seismic Relief Brochure

pdf
icon
Rockfon Seismic Relief Brochure FR
Rockfon Seismic Relief Brochure FR

pdf
icon
EPD Steel CISCA
EPD Steel CISCA

pdf
icon
Chicago Metallic® Drywall Grid Datasheet
Chicago Metallic® Drywall Grid Datasheet

pdf
icon
Chicago Metallic® Drywall Grid Datasheet FR
Chicago Metallic® Drywall Grid Datasheet FR

pdf
icon
Rockfon® Accessories Datasheets
Rockfon® Accessories Datasheets

pdf
icon
Rockfon® Accessories DataSheet FR
Rockfon® Accessories DataSheet FR

pdf
icon
Rockfon Curved Radius Drywall Suspension System Installation Guide
Rockfon Curved Radius Drywall Suspension System Installation Guide

pdf
icon
Rockfon Drywall Screw and Panel Placement: Tech Note
Rockfon Drywall Screw and Panel Placement: Tech Note

pdf
icon
Rockfon Fire Rated Ceiling Assemblies: Tech Note
Rockfon Fire Rated Ceiling Assemblies: Tech Note

pdf
icon
Rockfon Exterior Drywall Suspension System Installation Guide
Rockfon Exterior Drywall Suspension System Installation Guide

pdf
icon
Rockfon Chicago Metallic 6ft Drywall Tee Installation Tech Note
Rockfon Chicago Metallic 6ft Drywall Tee Installation Tech Note

pdf
icon
Rockfon Product Cleaning & Maintenance Tech Note
Rockfon Product Cleaning & Maintenance Tech Note

pdf
icon
Rockfon Product Cleaning & Maintenance Tech Note FR
Rockfon Product Cleaning & Maintenance Tech Note FR

pdf
icon
Chicago Metallic 640 (Hook) 660 (Stab) Non Fire Rated Drywall Grid System Specification
Chicago Metallic 640 (Hook) 660 (Stab) Non Fire Rated Drywall Grid System Specification

pdf
icon
Chicago Metallic 640 (Hook) 660 (Stab) Non Fire Rated Drywall Grid System CDN Specification
Chicago Metallic 640 (Hook) 660 (Stab) Non Fire Rated Drywall Grid System CDN Specification

pdf
icon
Chicago Metallic 650 (Hook) 670 (Stab) Fire Rated Drywall Grid System Specification
Chicago Metallic 650 (Hook) 670 (Stab) Fire Rated Drywall Grid System Specification

pdf
icon
Chicago Metallic 650 (Hook) 670 (Stab) Fire Rated Drywall Grid System CDN Specification
Chicago Metallic 650 (Hook) 670 (Stab) Fire Rated Drywall Grid System CDN Specification

pdf
icon
Rockfon 40 Year Suspension System Warranty
Rockfon 40 Year Suspension System Warranty

pdf
icon
Sample Order Form: Chicago Metallic Drywall Grid
Sample Order Form: Chicago Metallic Drywall Grid

Click 'PDF' to download and customize your grid system sample kit.

pdf
Back