Fire doors provide the following functions:
GH provides a comprehensive line of 1 3/4" thick labeled doors and frames to meet all requirements for fire protection. All GH doors and frames have been fire tested in accordance with UL 10B, UL 10C, UBC 7-2, and ASTM E-152 and are all produced under Underwriters Laboratories and Warnock Hersey/ITS factory inspection and labeling service program.