Name: Chicago Metallic® G90 Exterior Grade Systems
Brand: Rockfon

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Chicago Metallic® G90 Exterior Grade Systems are available in a heavy-duty design, for both standard 15/16” exposed grid and 1-3/8" drywall suspension systems, and is built with HDG 90 steel. Ideal for exterior applications, this drop ceiling grid features seismically approved stab-end cross tees for quick and easy assembly. Our entire line of Chicago Metallic™ grid systems are third party certified to meet ASTM standards.

Performance Properties:
-Suspension system features stab-end cross tees and a heavy-duty design
-Available in standard 15/16” grid and 1-3/8” drywall grid
-G90 HDG coating for improved corrosion resistance, ideal for exterior application
-Sustainable: Minimum 25% recycled content,100% locally recyclable
-Chicago Metallic® suspension systems meet a Class-A flame spread rating in accordance with ASTM standard E1264-08

Available in the following standard colors, Rockfon® Color-all™ colors, and RAL color options.

For packaging information, please download datasheet.

Grid Colors

- 01 White
- 08 Black
- 44 Satin Silver
- Color-all
- RAL

Material

ASTM C 635 Heavy Duty (HD) main tee classifications, commercial quality HDG-90 steel with galvanized body and cap. 15/16" width and 1-3/8" widths available. 1-1/2" height. Meets all seismic code requirements.

Note: A metallurgist should be consulted regarding the suitability of this product for the environmental conditions in which it is being installed.

Application Areas

Non-exposed exterior corridors, bank drive thru areas, restaurant drive thru areas, building soffits, verandas, porches, covered galleries, indoor parking garages, indoor/outdoor applications, soft transitions, lobbies, combination drywall and acoustical panel or tile ceilings.

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Load Bearing

Expand to view deflection table

		Component Load Test Data and Material
Main Tee	Length	Allowable Load per ASTM C635
		Hanger Spacing
				4'	5'	6'
Cross Tee	Length		2'	4'
1232.01G90	24"		40.5▲
1234.01G90	48"			17.0
230.XXZ.01	144"			HD	8.9	5.6
640.00CG90	144"			HD
663.00CG90	48"			17.0

To convert data into lb/ft2, divide on center spacing of component into lb/ft.
▲ Limited by safety factor of 2.

		Light Fixture Load Test Data (based on 1/360 span deflection)
Dimensions	Light Fixtures
	Main & Cross Tees - Allowable Fixture Weight – Pounds
	230.XXZ.01 1234.01G90
1' x 4'	67.6
2' x 2'	52.8
2' x 4'	76.0▲

▲ Limited by safety factor of 2.

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'	5'	6'
Cross Tee	Length		2'	4'
1232.01G90	24"		40.5▲
1234.01G90	48"			17.0
230.XXZ.01	144"			HD	8.9	5.6
640.00CG90	144"			HD
663.00CG90	48"			17.0