California / Eaves

Eaves in California

Statewide California requires CWUIC 2025.

The rule

Adopted “Noncombustible materials.”

California noncombustible eave. The 2025 California Wildland-Urban Interface Code includes noncombustible material among the protection paths for both enclosed and open eaves.

Products matching California’s adopted requirements

Adopted Product matches below are limited to eaves and trace to the named requirement.

Additional products matching the model-code floor

Model code Product matches below are limited to eaves and trace to the named requirement.

No sourced eaves product in this directory yet matches the model-code floor.

Additional products matching the voluntary program

Voluntary program Product matches below are limited to eaves and trace to the named requirement.

No sourced eaves product in this directory yet matches the voluntary program.

Every sourced row for this part of the house

  • Adopted California noncombustible eave — The 2025 California Wildland-Urban Interface Code includes noncombustible material among the protection paths for both enclosed and open eaves.
  • Adopted California SFM 12-7A-3 underside — The 2025 California Wildland-Urban Interface Code includes SFM Standard 12-7A-3 performance paths for boxed-in eave soffits and the undersides of floor projections.
  • Model code 2018 IWUIC Class 1 noncombustible eave — The unamended 2018 IWUIC permits ignition-resistant material on the exposed underside of Class 1 eaves and soffits; Section 503.2 includes noncombustible material in that class.
  • Model code 2018 IWUIC Class 2 solid eave enclosure — The unamended 2018 IWUIC specifies solid material at least three-quarter inch thick around combustible eaves, fascias, and soffits in Class 2 construction.
  • Model code 2021 IWUIC Class 1 noncombustible eave — The unamended 2021 IWUIC permits ignition-resistant material on the exposed underside of Class 1 eaves and soffits; its ignition-resistant-material definition includes noncombustible material.
  • Model code 2021 IWUIC Class 2 solid eave enclosure — The unamended 2021 IWUIC specifies solid material at least three-quarter inch thick around combustible eaves, fascias, and soffits in Class 2 construction.
  • Model code IWUIC Class 1 noncombustible eave — The unamended 2024 IWUIC model code permits ignition-resistant material on the exposed underside of Class 1 eaves and soffits; Section 503.2 includes noncombustible material in that class.
  • Model code IWUIC Class 2 solid eave enclosure — The unamended 2024 IWUIC model code specifies solid material at least three-quarter inch thick around combustible eaves, fascias, and soffits in Class 2 construction.
  • Voluntary program IBHS Base six-inch wall-base protection — The current IBHS Base standard specifies at least six vertical inches of noncombustible material at the base of exterior walls.