Vacaville Municipal Code Ch. 15.20.253 California Residential Code Adopted and Amended

Adopt the California Residential Building Code, 2025 Edition, based on the 2024 International Residential Building Code as published by the International Code Council (ICC), as adopted and amended by the Department of Housing and Community Development in the California Building Standards Code, California Code of Regulations, Title 24, Part 2.5.

(Ord. 2006, 11/19/2025)

A. Section R202 of Chapter 2 – Definitions. Add the following to Section R202 of the CRC:

Bedroom: A room that meets the minimum dimension, area, and height requirements for a habitable room as specified in California Building Code section 1208 or California Residential Building Code sections R304 and R305 that has an adjoining area or space that may be utilized as a closet whether or not the room is actually utilized for sleeping purposes.

B. Section R1005.3 of Chapter 10 is amended by adding the following sentence to the end of Section R1005.4:

All factory-built chimneys installed in a chase, shaft, or attic, in or adjacent to all occupancies of Type V-A and Type V-B construction shall be protected to the top of chase and fully enclosed by not less than one layer of 5/8" Type 'X' gypsum wallboard installed between the combustible framing and the factory-built chimney per the current Building Standards, and the latest edition of the Fire Resistance Design Manual for Gypsum Systems.

C. Section R901.1 of Chapter 9 is amended by adding the following sentences to the end of Section R901.1:

Roof coverings shall be applied in accordance with the applicable provisions of Chapter 9 of the California Residential Code, 2025 Edition, and the manufacturer's installation instructions. Wood shingles, wood shakes, or other wood materials applied as roof covering shall be fire rated as "Class B" or better, and treated in accordance with the current Building Standards. All wood shingle or wood shake re-roofing exceeding 25% of the total roof area will have a minimum "Class B" rating. Mixing of different roof covering material (e.g. tile and composition) on the same roof is prohibited.

(Ord. 2006, 11/19/2025)