IBC 2024 Analysis

The 2024 International Building Code (IBC) introduces major shifts in mass timber, energy storage, and structural loads. Ignore them at the risk of failed inspections.

Occupancy Classifications Matrix

Understanding Assembly (A) vs Business (B) classifications dictates your entire fire rating strategy.

Group	Sub-Group	2024 Threshold Notes
A - Assembly	A-2 (Food/Drink)	Occupant load > 50 requires stricter panic hardware on egress doors.
R - Residential	R-3 (SFH/Duplex)	ESS (Energy Storage Systems) in garages now strictly regulated under Section 302.

Occupant Load Calculator

Calculate maximum allowable occupants per IBC Table 1004.5 to determine egress width requirements.