Colorado / Windows

Windows in Colorado

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

The rule

Available for local adoption “tempered glass, multilayered glazed panels, glass block or have a fire protection rating”

Colorado CWRC multilayered glazing. The 2025 Colorado Wildfire Resiliency Code includes multilayered glazed panels as one exterior glazing path for Class 2 hardening.

Products matching the published local-adoption option

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

Additional products matching the model-code floor

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

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

Additional products matching the voluntary program

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

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

Every sourced row for this part of the house

  • Available for local adoption Colorado CWRC multilayered glazing — The 2025 Colorado Wildfire Resiliency Code includes multilayered glazed panels as one exterior glazing path for Class 2 hardening.
  • Model code 2018 IWUIC Class 1–2 multilayered glazing — The unamended 2018 IWUIC includes multilayered glazed panels as one exterior glazing path in Class 1 and Class 2 construction.
  • Model code 2021 IWUIC Class 1–2 multilayered glazing — The unamended 2021 IWUIC includes multilayered glazed panels as one exterior-glazing path in Class 1 and Class 2 construction.
  • Model code IWUIC Class 1–2 multilayered glazing — The unamended 2024 IWUIC model code includes multilayered glazed panels as one exterior glazing path in Class 1 and Class 2 construction.
  • Voluntary program IBHS Plus two-tempered-pane glazing — The current IBHS Plus standard includes a multipane exterior-glazing path with at least two tempered panes.