FireApproved

Colorado / Siding

Siding in Colorado

Local option Not adopted here that we can source. Your county could adopt CWRC 2025.

The rule

Available for local adoption “Approved noncombustible materials.”

Colorado CWRC noncombustible wall. The 2025 Colorado Wildfire Resiliency Code includes approved noncombustible materials as a Class 2 exterior-wall and covering path.

Products matching the published local-adoption option

Available for local adoption Product matches below are limited to siding and trace to the named requirement.

Additional products matching the model-code floor

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

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

Additional products matching the voluntary program

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

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

Every sourced row for this part of the house

  • Available for local adoption Colorado CWRC noncombustible wall — The 2025 Colorado Wildfire Resiliency Code includes approved noncombustible materials as a Class 2 exterior-wall and covering path.
  • Available for local adoption Colorado CWRC wall-base protection — The 2025 Colorado Wildfire Resiliency Code specifies a six-inch vertical metal or noncombustible detail between wall sheathing and cladding at ground, deck, and roof intersections.
  • Model code 2018 IWUIC Class 1–2 noncombustible wall — The unamended 2018 IWUIC includes approved noncombustible material as an exterior-wall path in Class 1 and Class 2 construction.
  • Model code 2021 IWUIC Class 1–2 noncombustible wall — The unamended 2021 IWUIC includes approved noncombustible material as an exterior-wall path in Class 1 and Class 2 construction.
  • Model code IWUIC Class 1–2 noncombustible wall — The unamended 2024 IWUIC model code includes approved noncombustible material as an exterior-wall path in Class 1 and Class 2 construction.
  • Model code IWUIC Class 1 wall-base protection — The unamended 2024 IWUIC model code specifies a six-inch vertical metal or noncombustible wall-base detail at ground, deck, and roof intersections for Class 1 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.