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Author
Underwriters Laboratories, Incorporated
Title
Report on a Column Protected With Mineral Wool Batts. United States Gypsum Company, Chicago, Illinois.
Coporate
Underwriters Laboratories, Inc., Northbrook, IL
Report
File R4739-1, February 1, 1971, 18 p.
Keywords
columns | mineral wools | fire tests
Abstract
This report describes the results of a fire test conducted on a steel building column protected with 2-in. thick listed mineral wool batts applied as shown by Ill. 1. The purpose of this investigtion was to determine the fire resistance classification of a structural steel column protected in the manner described herein, when tested in accordance with the standard of Underwriters' Laboratories, Inc. for fire Test of Building Construction and Materials, UL 263 (NFPA 251, ASTM E 119).