To obtain a copy of a specific publication, users should contact the publication's publisher directly.
Abstract
This Technical Bulletin summarizes how the 2022 CEC, 2021 IECC, and ASHRAE 90.2 apply to single-family residential roofing for additions and alterations. Single-family residential buildings are a building typology with specific and at times nuanced code compliance requirements. For other building types, refer to the applicable code/standard for additional and different requirements. This Technical Bulletin is not intended to be a comprehensive guide nor replace code reviews. New construction requirements are covered under Technical Bulletin 2025_IIC-02. WSRCA members should be aware of how California’s current requirements may influence the energy code in other states in the future.
This Technical Bulletin summarizes how the 2022 CEC, 2021 IECC, and ASHRAE 90.2 apply to single-family residential roofing for additions and alterations. Single-family residential buildings are a building typology with specific and at times nuanced code compliance requirements. For other building types, refer to the applicable code/standard for additional and different requirements. This Technical Bulletin is not intended to be a comprehensive guide nor replace code reviews. New construction requirements are covered under Technical Bulletin 2025_IIC-02. WSRCA members should be aware of how California’s current requirements may influence the energy code in other states in the future.
Date
5/2025
5/2025
Author(s)
Page(s)
1-20
1-20
Keyword(s)
residential energy code; California Energy Code; CEC; single-family residence; IECC, ASHRAE 90.2
residential energy code; California Energy Code; CEC; single-family residence; IECC, ASHRAE 90.2