FA Exhibit DET-009

Chimney: spark arrester spec + 10' vegetation clearance

A scaled roof elevation shows a branch kept ten feet from a chimney outlet. An enlarged detail lists California spark-arrester opening, free-area, material, and cleaning requirements. — FA Exhibit DET-009. Chimney spark arrester and 10-foot branch clearance. 2025 CBC §2113A.9.2 · PRC §4291(a)(2) · CAL FIRE DSPACE. Illustrative — not a construction document. Verify with your building official. CC BY 4.0.

Technical review: Grayson Graham. Last verified 2026-08-25. JSON

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