Chapter 15.36 — FIRE DISTRICTS

• A. Fire Retardency. Notwithstanding any other requirement of the City of Orange Municipal Code, and except as otherwise provided in this section, roof coverings shall be fire retardant U.L. listed Class A.

  1. General Prohibition. All coverings installed on any new or existing building or structure, shall be fire retardant U.L. listed Class A.

  2. Re-roofing Over Wood Shakes or Wood Shingles Shall be Prohibited. No roof covering shall be applied over existing wood shakes or wood shingles. When a roof has two or more built-up layers of roof covering, any layer of which is wood shake or wood shingle, all built-up roof covering shall be completely removed before applying a new roof covering.

• B. Other Roof Covering Requirements.

  1. The roof covering on any structure regulated by this code shall be as specified in Table 1505.1 and as classified in Section 1505 of the California Building Code, as adopted and amended by the City.

  2. The roof-covering assembly shall also be U.L. listed Class "A" rated and includes the roofdeck, underlayment, interlayment, insulation and covering which is assigned a roofcovering classification.

(Ord. 6-71; Ord. 5-87; Ord. 3-94; Ord. 12-10, 2010)

The Fire Hazard Severity Zones as recommended by the California Department of Forestry and Fire Protection are hereby adopted and designated for the City of Orange pursuant to Government Code Section 51178. The map approved by the City Council is hereby incorporated by reference and entitled "City of Orange Fire Hazard Severity Zones." The official map is located on the City's website.

(Ord. 07-25, 5/27/2025 [1] )

1. Editor's Note: This Ordinance also repealed former § 15.36.040, Very High Fire Hazard Severity Zones, including the map, adopted by Ord. 03-12.

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City of Orange, CA