FA Exhibit MECH-008

The HIZ concept: why houses ignite at the house (Cohen), site section

An NTS site section separates a distant source wildfire from the local ignition context at a house. Firebrands can cross the gap, while the house, its exterior and design, adjacent materials, and flame exposure determine whether an effective ignition occurs. No fixed HIZ radius is shown. — FA Exhibit MECH-008. Home ignitability context. AFTER COHEN 2000 · JOURNAL OF FORESTRY 98(3):15–21 · ORIGINAL LINE ART. 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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