Chapter 7 — SINGLE-FAMILY RESIDENTIAL BUILDINGS—

Section 150.0 — MANDATORY FEATURES AND DEVICES

2025 California Energy Code (Title 24, Part 6) · 2025 edition · ingested 2026-07-07 · California

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Single-family residential buildings shall comply with the applicable requirements of Sections 150(a) through 150.0(v). NOTE: The requirements of Sections 150.0(a) through 150.0(v) apply to newly constructed buildings. Sections 150.2(a) and 150.2(b) specify which requirements of Sections 150.0(a) through 150.0(v) also apply to additions or alterations. (a) Roof deck, ceiling and rafter roof insulation. The opaque portions of roof decks separating attic spaces from ambient air, and ceilings or rafter roofs separating conditioned spaces from unconditioned spaces or ambient air, shall meet the…