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FA Exhibit CMP-007

Deck board menu: 2x lumber exception vs composite vs FRT (with test tags)

A comparison of the Oregon R327 nominal two-inch lumber exception, a documentation-dependent composite product route, and exterior fire-retardant-treated wood, all within the greater-than-30-inch and less-than-12-foot walking-surface scope.
FA Exhibit CMP-007. Deck-board route menu. 2023 ORSC R327.3.5 / .3.5.1 + FEMA P-737 §4.8 / TABLE 10 · ORIGINAL FA COMPARISON. 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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