Classified and labeled by Underwriters Laboratories, Inc.® and Underwriters Laboratories of Canada. File number for labeled 45/120 minute fire-rated assemblies is Design Number U537. Frame tests performed in accordance with ASTM E-119 (60-120 minutes), CAN/ULC-S101, NFPA 251, UL 263, UL 9, UL 10C, UBC 7-2, UBC 7-4, ASTM E283, ASTM E330, ASTM E331, and AAMA 501.1. Approved for use in Los Angeles: LARR 25798.
Maximum Allowable Size Information
|Rating||Max. Exposed Glass Area Per Piece||Max. Exposed Glass Single Dimension|
|45 Minutes||4,500 in2||95-1/4"|
|60 Minutes||5,605 in2||96"|
|90 Minutes||3,724 in2||95"|
|120 Minutes||3,724 in2||111"|
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