FireApproved

Colorado / Decking

Decking in Colorado

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

The rule

Available for local adoption “Class A rated material”

Colorado CWRC Class A deck surface. The 2025 Colorado Wildfire Resiliency Code includes Class A-rated material as one Class 2 unenclosed deck walking-surface path.

Products matching the published local-adoption option

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

Additional products matching the model-code floor

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

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

Additional products matching the voluntary program

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

Every sourced row for this part of the house

  • Available for local adoption Colorado CWRC Class A deck surface — The 2025 Colorado Wildfire Resiliency Code includes Class A-rated material as one Class 2 unenclosed deck walking-surface path.
  • Available for local adoption Colorado CWRC noncombustible deck structure — The 2025 Colorado Wildfire Resiliency Code routes appendages and projections through its Class 2 exterior-wall construction methods, including approved noncombustible materials.
  • Available for local adoption Colorado CWRC noncombustible deck surface — The 2025 Colorado Wildfire Resiliency Code includes approved noncombustible material as one Class 2 unenclosed deck walking-surface path.
  • Model code 2018 IWUIC Class 1–2 noncombustible deck — The unamended 2018 IWUIC includes approved noncombustible materials as one path for attached unenclosed accessory structures and projections such as decks.
  • Model code 2021 IWUIC Class 1–2 noncombustible deck — The unamended 2021 IWUIC includes approved noncombustible materials as one path for attached unenclosed accessory structures and projections such as decks.
  • Model code IWUIC Class 1–2 noncombustible deck — The unamended 2024 IWUIC model code includes approved noncombustible materials as one path for attached unenclosed accessory structures and projections such as decks.
  • Voluntary program IBHS Base under-deck mesh — The 2025 IBHS Base standard specifies perimeter enclosure mesh for decks whose walking surface is four feet or less above ground.
  • Voluntary program IBHS Plus solid deck surface — The current IBHS Plus retrofit path specifies a solid noncombustible deck walking surface with no gaps.