INTERNATIONAL RESIDENTIAL CODE, 2021

The International Residential Code, 2021 Edition (IRC 2021), published by the International Code Council (ICC), provides comprehensive regulations for one- and two-family dwellings and townhouses up to three stories in height. This volume serves as an essential reference for building, residential, and general contractor license exams supported by 1 Exam Prep, including Florida Residential Contractor and Building Contractor licensing. Covering structural design, energy efficiency, fire safety, and mechanical systems, the IRC 2021 is a mandatory component of state contractor book lists and aligns with code compliance requirements enforced by the CILB and other state licensing boards.