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Decomposed granite (Zone 0 groundcover)

This is a material class, not a wall or roof assembly listing. A class is not a permit.

Inorganic decomposed granite is a noncombustible groundcover commonly specified in the first five feet around a structure. 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

Sources

Decomposed granite (Zone 0 groundcover). FireApproved. https://fireapproved.com/materials/decomposed-granite/. Last verified 2026-08-23.