FA Exhibit ZON-011. Board of Forestry slope-keyed spacing. Distances are guidance, not Oregon R327. After CA BOF defensible-space guidelines slope-keyed table. Not an R327 construction rule. Illustrative — not a construction document. Verify with your building official. CC BY 4.0.
Technical review: Grayson Graham. Last verified 2026-08-23. JSON
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<img src="https://fireapproved.com/diagrams/zon-011-crown-shrub-spacing.svg" alt="To-scale plan of tree crowns and shrubs with spacing dimensions keyed to slope, measured from the structure." />
