Home / Requirements / Oregon R327 multilayered glazing

Oregon R327 multilayered-glazing path

Where locally adopted, Oregon R327 includes multilayered glazed panels as one exterior-glazing path.

This record covers the multilayered-panel path only. Tempered glass, glass block, and 20-minute glazing are separate paths. R327 applies only where locally adopted and within its project scope.

code · Oregon jurisdictions that adopted ORSC R327 · Last verified 2026-08-24 · JSON (CC BY 4.0)

Published requirement text

“Exterior windows, windows within exterior doors, and skylights shall be tempered glass, multilayered glazed panels, glass block or have a fire-resistance rating of not less than 20 minutes.”

2023 Oregon Residential Specialty Code R327 amendments — Oregon Building Codes Division

Where this instrument is documented

Instrument orsc-r327.

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

PlaceForceReachDatedChecks openSource
Ashland active application documented incorporated boundary effective 2021-10-01 2 Ashland Ordinance 3198
Bend active application documented incorporated boundary adopted 2026-04-15 4 Bend Code 9.10.010, Specialty Codes
Deschutes County active application documented unincorporated county effective 2026-04-01 3 Deschutes County Fire Hardening Requirements (R327)
Grants Pass active application documented incorporated boundary adopted 2021-06-02 4 Grants Pass Municipal Code Title 9, Buildings and Construction
Oregon published for local adoption; not active statewide unknown not sourced 4 Oregon BCD Home hardening and wildfire hazard mitigation
Sisters active application documented incorporated boundary effective 2026-04-01 3 Sisters City Code 15.05.010 (Ord. 545)

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

AttributeOperatorValue
assemblyRole in exterior-window–glazed-door–skylight
paneCount gte 2

Products with documented matching attributes

Open the Build rules that quote this requirement

ProductCategoryStatusDocumented match evidence
Andersen 100 Series windows with dual-pane glass windows Attribute match
3 cited fields
Andersen 400 Series specialty windows with dual-pane glass windows Attribute match
3 cited fields
Andersen A-Series windows with dual-pane glass windows Attribute match
3 cited fields
Andersen E-Series specialty windows with dual-pane glass windows Attribute match
3 cited fields
Infinity Awning — California Fire Glass option windows Attribute match
2 cited fields
Infinity Bay — California Fire Glass option windows Attribute match
2 cited fields
Infinity Casement — California Fire Glass option windows Attribute match
2 cited fields
Infinity Double Hung — California Fire Glass option windows Attribute match
2 cited fields
Infinity Round Top — California Fire Glass option windows Attribute match
2 cited fields
Infinity Single Hung — California Fire Glass option windows Attribute match
2 cited fields
Infinity Single Hung Round Top — California Fire Glass option windows Attribute match
2 cited fields
Infinity Slider — California Fire Glass option windows Attribute match
2 cited fields
Infinity Special Shape — California Fire Glass option windows Attribute match
2 cited fields
Marvin Modern awning window with dual-pane glass windows Attribute match
3 cited fields
Marvin Modern casement window with dual-pane glass windows Attribute match
3 cited fields
Marvin Modern corner window with dual-pane glass windows Attribute match
3 cited fields
Marvin Modern Direct Glaze window with dual-pane glass windows Attribute match
3 cited fields
Marvin Vivid windows with standard dual-pane glass windows Attribute match
3 cited fields
Pella 250 Series double-hung window with dual-pane glass windows Attribute match
3 cited fields
Pella 250 Series picture window with dual-pane glass windows Attribute match
3 cited fields
Pella Impervia casement window with dual-pane glass windows Attribute match
3 cited fields
Pella Impervia double-hung window with dual-pane glass windows Attribute match
3 cited fields
Pella Impervia fixed-frame window with dual-pane glass windows Attribute match
3 cited fields
Pella Lifestyle Series double-hung window with dual-pane glass windows Attribute match
3 cited fields
VELUX FCM fixed curb-mounted skylight — standard safety glass windows Attribute match
2 cited fields

Sources

Oregon R327 multilayered-glazing path. FireApproved. https://fireapproved.com/requirements/orsc-r327-multilayered-glazing/. Last verified 2026-08-24.