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The USG Donn Brand ZXLA Acoustical Suspension System is roll formed with a hot dipped galvanized body, and a painted aluminum cap. The system is generally used to suspend acoustical ceiling tiles and/or metal panels in demanding applications. It is manufactured by USG in Cartersville, GA, and Westlake, OH. It is tested in accordance with ASTM C635 Standard Specification for the Manufacture, Performance, and Testing of Metal Suspension Systems for Acoustical Tile and Lay-in Panel Ceilings. This EPD covers the USG Donn Brand ZXLA profiles. The USG Donn Brand ZXLA Acoustical Suspension System is covered by the following Construction Specification Institute (CSI) MasterFormat codes. 09 22 26.23 Metal Suspension System 09 53 00 Acoustical Ceiling Suspension System 09 53 23 Metal Acoustical Ceiling Suspension Assemblies 09 54 36 Suspended Decorative Grids Corresponding applicable UNSPSC codes include: 25172000 Suspension System Components