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Colorado CWRC Class 2 multilayered-glazing path

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

This record covers pane count and opening role only. Tempered glass, glass block, 20-minute glazing, the complete schedule, mapped class, and local adoption remain separate paths.

code · Colorado jurisdictions adopting CWRC in moderate or high mapped wildfire hazard areas · Last verified 2026-08-25 · JSON (CC BY 4.0)

Published requirement text

“tempered glass, multilayered glazed panels, glass block or have a fire protection rating”

2025 Colorado Wildfire Resiliency Code, Section 404.7 — Colorado Division of Fire Prevention and Control

Where this instrument is documented

Instrument cwrc-2025.

Set a location to read how this instrument lands where you are.

Place	Force	Reach	Dated	Checks open	Source
Colorado	published for local adoption; not active statewide	mapped area	not sourced	4	2025 Colorado Wildfire Resiliency Code

Each place page carries that place's boundary, project scope and open official checks in full; this page's JSON twin carries them per application.

Machine-readable constraints

Attribute	Operator	Value
assemblyRole	in	exterior-window–glazed-door–skylight
paneCount	gte	2

Products with documented matching attributes

Open the Build rules that quote this requirement

Product	Category	Status	Documented match evidence
Andersen 100 Series windows with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Andersen 400 Series specialty windows with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Andersen A-Series windows with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Andersen E-Series specialty windows with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Infinity Awning — California Fire Glass option	windows	Attribute match	2 cited fields Assembly role: exterior window Glazing panes: 2
Infinity Bay — California Fire Glass option	windows	Attribute match	2 cited fields Assembly role: exterior window Glazing panes: 2
Infinity Casement — California Fire Glass option	windows	Attribute match	2 cited fields Assembly role: exterior window Glazing panes: 2
Infinity Double Hung — California Fire Glass option	windows	Attribute match	2 cited fields Assembly role: exterior window Glazing panes: 2
Infinity Round Top — California Fire Glass option	windows	Attribute match	2 cited fields Assembly role: exterior window Glazing panes: 2
Infinity Single Hung — California Fire Glass option	windows	Attribute match	2 cited fields Assembly role: exterior window Glazing panes: 2
Infinity Single Hung Round Top — California Fire Glass option	windows	Attribute match	2 cited fields Assembly role: exterior window Glazing panes: 2
Infinity Slider — California Fire Glass option	windows	Attribute match	2 cited fields Assembly role: exterior window Glazing panes: 2
Infinity Special Shape — California Fire Glass option	windows	Attribute match	2 cited fields Assembly role: exterior window Glazing panes: 2
Marvin Modern awning window with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Marvin Modern casement window with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Marvin Modern corner window with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Marvin Modern Direct Glaze window with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Marvin Vivid windows with standard dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Pella 250 Series double-hung window with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Pella 250 Series picture window with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Pella Impervia casement window with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Pella Impervia double-hung window with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Pella Impervia fixed-frame window with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
Pella Lifestyle Series double-hung window with dual-pane glass	windows	Attribute match	3 cited fields Assembly role: exterior window Glazing panes: 2 Glazing panes: 2
VELUX FCM fixed curb-mounted skylight — standard safety glass	windows	Attribute match	2 cited fields Assembly role: skylight · Page 1, product title and description Glazing panes: 2 · Page 1, Standard Safety Glass

Sources

2025 Colorado Wildfire Resiliency Code, Section 404.7 — Colorado Division of Fire Prevention and Control (official). Accessed 2026-08-25.

Colorado CWRC Class 2 multilayered-glazing path. FireApproved. https://fireapproved.com/requirements/cwrc-2025-class-2-multilayered-glazing/. Last verified 2026-08-25.