Computer modeling and CNC manufacturing enables glulam to be delivered to the jobsite in precise lengths and with preinstalled concealed hangers. The Simpson Strong-Tie® CBH concealed beam hanger is specifically designed for such applications, and is installed with readily available Strong-Drive® SDS Heavy-Duty Connector screws. The CBH has been tested for inter-story drift and has achieved 1-hr and 2-hr fire resistance ratings according to ASTM E119.