Chicago Metallic® Drywall Grid

The latest innovation in Rockfon's Drywall Grid product is here! New product upgrades provide easier, faster, consistent, high-quality installation and that contributes to greater overall performance.  

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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
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 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.

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Accessories

148780_r1_ROC_GridDS_EPSFiles_SingleImages_Drywall
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Resources

 

 

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Rockfon Seismic Relief Brochure
Rockfon Seismic Relief Brochure

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Rockfon Seismic Relief Brochure FR
Rockfon Seismic Relief Brochure FR

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Rockfon Chicago Metallic Drywall Grid - Ceiling Elevation Change
Rockfon Chicago Metallic Drywall Grid - Ceiling Elevation Change

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Rockfon Chicago Metallic Drywall Grid - Ceiling Elevation Change - DWG
Rockfon Chicago Metallic Drywall Grid - Ceiling Elevation Change - DWG

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Rockfon Chicago Metallic Drywall Grid - Channel at Wall Detail
Rockfon Chicago Metallic Drywall Grid - Channel at Wall Detail

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Rockfon Chicago Metallic Drywall Grid - Channel at Wall Detail - DWG
Rockfon Chicago Metallic Drywall Grid - Channel at Wall Detail - DWG

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Rockfon Chicago Metallic Drywall Grid - Control Joint Parallel to MR
Rockfon Chicago Metallic Drywall Grid - Control Joint Parallel to MR

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Rockfon Chicago Metallic Drywall Grid - Control Joint Parallel to MR - DWG
Rockfon Chicago Metallic Drywall Grid - Control Joint Parallel to MR - DWG

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Rockfon Chicago Metallic Drywall Grid - Control Joint Perpendicular to MR
Rockfon Chicago Metallic Drywall Grid - Control Joint Perpendicular to MR

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Rockfon Chicago Metallic Drywall Grid - Control Joint Perpendicular to MR - DWG
Rockfon Chicago Metallic Drywall Grid - Control Joint Perpendicular to MR - DWG

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Rockfon Chicago Metallic Drywall Grid - Cross Section Through CT
Rockfon Chicago Metallic Drywall Grid - Cross Section Through CT

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Rockfon Chicago Metallic Drywall Grid - Cross Section Through CT - DWG
Rockfon Chicago Metallic Drywall Grid - Cross Section Through CT - DWG

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Rockfon Chicago Metallic Drywall Grid - Downlight Detail
Rockfon Chicago Metallic Drywall Grid - Downlight Detail

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Rockfon Chicago Metallic Drywall Grid - Downlight Detail - DWG
Rockfon Chicago Metallic Drywall Grid - Downlight Detail - DWG

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Rockfon Chicago Metallic Drywall Grid - Drywall to ACT Transition
Rockfon Chicago Metallic Drywall Grid - Drywall to ACT Transition

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Rockfon Chicago Metallic Drywall Grid - Drywall to ACT Transition - DWG
Rockfon Chicago Metallic Drywall Grid - Drywall to ACT Transition - DWG

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Rockfon Chicago Metallic Drywall Grid - Fire Sprinkler Detail
Rockfon Chicago Metallic Drywall Grid - Fire Sprinkler Detail

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Rockfon Chicago Metallic Drywall Grid - Fire Sprinkler Detail - DWG
Rockfon Chicago Metallic Drywall Grid - Fire Sprinkler Detail - DWG

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Rockfon Chicago Metallic Drywall Grid - GRG Access Door
Rockfon Chicago Metallic Drywall Grid - GRG Access Door

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Rockfon Chicago Metallic Drywall Grid - GRG Access Door - DWG
Rockfon Chicago Metallic Drywall Grid - GRG Access Door - DWG

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Rockfon Chicago Metallic Drywall Grid - Infinity D Connection
Rockfon Chicago Metallic Drywall Grid - Infinity D Connection

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Rockfon Chicago Metallic Drywall Grid - Infinity D Connection - DWG
Rockfon Chicago Metallic Drywall Grid - Infinity D Connection - DWG

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Rockfon Chicago Metallic Drywall Grid - Light Cove Detail
Rockfon Chicago Metallic Drywall Grid - Light Cove Detail

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Rockfon Chicago Metallic Drywall Grid - Light Cove Detail - DWG
Rockfon Chicago Metallic Drywall Grid - Light Cove Detail - DWG

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Rockfon Chicago Metallic Drywall Grid - Soffit Detail
Rockfon Chicago Metallic Drywall Grid - Soffit Detail

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Rockfon Chicago Metallic Drywall Grid - Soffit Detail - DWG
Rockfon Chicago Metallic Drywall Grid - Soffit Detail - DWG

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Rockfon Chicago Metallic Drywall Grid - Vertical Transition
Rockfon Chicago Metallic Drywall Grid - Vertical Transition

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Rockfon Chicago Metallic Drywall Grid - Vertical Transition - DWG
Rockfon Chicago Metallic Drywall Grid - Vertical Transition - DWG

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Rockfon Chicago Metallic Drywall Grid - Wall Angle Detail
Rockfon Chicago Metallic Drywall Grid - Wall Angle Detail

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Rockfon Chicago Metallic Drywall Grid - Wall Angle Detail - DWG
Rockfon Chicago Metallic Drywall Grid - Wall Angle Detail - DWG

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EPD Steel CISCA
EPD Steel CISCA

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Chicago Metallic® Drywall Grid Datasheet
Chicago Metallic® Drywall Grid Datasheet

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Rockfon® Accessories Datasheets
Rockfon® Accessories Datasheets

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

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

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

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Rockfon Exterior Drywall Suspension System Installation Guide
Rockfon Exterior Drywall Suspension System Installation Guide

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

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Chicago Metallic 640 Non Fire Rated Drywall Grid System Specification
Chicago Metallic 640 Non Fire Rated Drywall Grid System Specification

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Chicago Metallic 650 Fire Rated Drywall Grid System Specification
Chicago Metallic 650 Fire Rated Drywall Grid System Specification

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Rockfon Product Cleaning & Maintenance Tech Note
Rockfon Product Cleaning & Maintenance Tech Note

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

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Rockfon 40 Year Suspension System Warranty
Rockfon 40 Year Suspension System Warranty

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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.

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Guides

RFN-NA, Drywall Fire-Rated, 650 drywall , chicago metallic
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The Enhanced Rockfon® Chicago Metallic® Drywall Grid

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