Home / Requirements / ORSC R327 noncombustible wall
Oregon R327 noncombustible exterior-wall path
Where locally adopted, Oregon R327 includes noncombustible material as one path for an exterior wall covering or wall assembly.
This record covers only the noncombustible path. Ignition-resistant material, heavy timber, log walls, ASTM E2707-tested assemblies, and the named gypsum-backed exceptions are separate paths. Product material does not replace the full wall-assembly review.
Published requirement text
“The exterior wall covering or wall assembly shall comply with one of the following requirements: 1. Noncombustible material.”
Where this instrument is documented
Set a location to read how this instrument lands where you are.
In Ashland, this instrument has an active application record — 2 official checks open. Open the Ashland record
In Bend, this instrument has an active application record — 4 official checks open. Open the Bend record
In Deschutes County, this instrument has an active application record — 3 official checks open. Open the Deschutes County record
In Grants Pass, this instrument has an active application record — 4 official checks open. Open the Grants Pass record
In Oregon, this instrument is published for local adoption, not active statewide — 4 official checks open. Open the Oregon record
In Sisters, this instrument has an active application record — 3 official checks open. Open the Sisters record
| Place | Force | Reach | Dated | Checks open | Source |
|---|---|---|---|---|---|
| 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) |
Machine-readable constraints
| Attribute | Operator | Value |
|---|---|---|
| noncombustible | eq | true |
Products with documented matching attributes
| Product | Category | Status | Documented match evidence |
|---|---|---|---|
| AL13® Plank System | siding | Listed | 1 cited field |
| Clicklad Closed-Gap aluminum cladding system | siding | Listed | 1 cited field |
| Hardie® Plank lap siding | siding | Listed | 1 cited field |
| Hardie® Textured Panel, noncombustible fiber-cement panel siding, 5/16" thick | siding | Listed | 1 cited field |
| JAMES HARDIE BUILDING PRODUCTS, INC. (8140-2026:0001) | siding | Listed | 1 cited field |
| JAMES HARDIE BUILDING PRODUCTS, INC. (8140-2026:0004) | siding | Listed | 1 cited field |
| JAMES HARDIE BUILDING PRODUCTS, INC. (8140-2026:0500) | siding | Listed | 1 cited field |
| Longboard® 6-inch exterior aluminum siding | siding | Listed | 1 cited field |
| ROCKWOOL Comfortboard 80 exterior continuous insulation | siding | Listed | 1 cited field |
| Thermafiber RainBarrier High Compressive 80 and 110 exterior insulation | siding | Listed | 2 cited fields |
| WoodSyn OptimBoard™ wood-wool cement sheathing | siding | Listed | 1 cited field |