IBC Building Codes Reference

Overview

Structured reference for the US International Building Code (IBC) 2021 and International Residential Code (IRC). Use it to validate building designs, generate code-compliant models, and understand occupancy and construction type constraints. Covers common residential and mixed-use scenarios including occupancy classifications, construction types, height/area limits, egress requirements, and sprinkler systems.

Instructions

Occupancy Classifications (IBC Chapter 3)