FA Exhibit DET-007. Where R327 is adopted, gutters must be noncombustible with an approved debris means. Guard type is the official’s call. After ORSC R327.3.1, FEMA P-737 gutter and drip-edge guidance, and IBHS gutter language. Vinyl is combustible and does not meet R327.3.1 where that section is adopted. 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/det-007-gutter-drip-edge.svg" alt="Section at the roof edge showing Class B roofing, metal drip edge, fascia, a noncombustible gutter, and a generic debris guard." />
