FA Exhibit MECH-001. Two laboratory modes. The standard does not set acceptance criteria. Ridge vents are outside its scope. After ASTM E2886/E2886M-20 public scope and CBC 2022 §706A.2 acceptance language. Oregon R327 does not name E2886. Not-to-scale. No paywalled rig parameters. Illustrative — not a construction document. Verify with your building official. CC BY 4.0.
Technical review: Grayson Graham. Last verified 2026-08-23. JSON
Copy this embed
<img src="https://fireapproved.com/diagrams/mech-001-e2886-vent-test.svg" alt="Two schematic panels of the ASTM E2886 ember-intrusion test and flame-intrusion test on a wall- or under-eave-mounted vent." />
