Home / Materials / Gravel and crushed rock (Zone 0 groundcover)
Gravel and crushed rock (Zone 0 groundcover) This is a material class, not a wall or roof assembly listing. A class is not a permit.
No listing applies. Generic noncombustible material class — no OSFM listing program applies.
▼ Bark and wood mulch in the first five feet fail IBHS Essential Zone 0
Status derived from the cited listings by a published rule, never hand-assigned. Each chip
above is one evidence channel and its direction. A listing is not a permit — the authority
having jurisdiction decides.
Inorganic gravel or crushed rock is a noncombustible groundcover specified in the first five feet around a structure. Oregon’s State Fire Marshal names gravel in that buffer. It is a material class, not an OSFM-listed assembly.
Kind: material-class.
Page reviewed 2026-08-23. JSON (CC BY 4.0)
Findings that limit this record Zone 0 rules vary. California’s August 2026 Board of Forestry Zone 0 vote was not yet in force as of this verification. Organic mulch, bark, and rubber do not belong in this class. Can I use this here
This trace joins product evidence to a sourced code application, then keeps every boundary,
map, date, project check, documented constraint match, and still-undocumented field visible.
It is not a permit result.
Full explorer: Can I use this here .
Set a location for the local trace Without a place, no local application is inferred. The collapsed jurisdiction index below keeps every sourced static trace available.
Set a ZIP to read the local force for this product. Every static jurisdiction trace stays below.
The rule and every matching product for the United States
Save to my house How this product meets each requirement (1)
Requirement constraints (1)
Each table below compares this product's documented attributes against one published
requirement. That comparison is a fact about the product and the requirement, and does not
change from place to place, so it is printed once.
Requirement constraints (1)
Each table compares this product's documented attributes with one published
requirement. That comparison does not change from place to place, so it is printed
once here and linked from every jurisdiction below.
Where this applies
A product is a national record; where it applies is a fact about a place. The rule that
binds a given address — and every product matching it — is published on that place's own
answer page, linked above and re-linked by the location lens. The complete per-place
claim graph for this record, including every open official check, is in its
JSON twin .
Gravel and crushed rock (Zone 0 groundcover). FireApproved. https://fireapproved.com/materials/gravel-crushed-rock/. Last verified 2026-08-23. Verify at the source. Every listing number and claim here links to its origin — listings change and local amendments govern, so check the current record before you specify.