Vents

Vents on homes create openings for flying embers.  The importance of ember and flame entry into vents during wildfires has resulted in the development of vents designed to resist the intrusion of embers and flame. This development has been encouraged by language in Chapter 7A of the California Building Code.

  • Cover all vent openings with 1/8-inch to 1/4-inch metal mesh. Do not use fiberglass or plastic mesh because they can melt and burn.
  • Protect vents in eaves or cornices with baffles to block embers (mesh is not enough).

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