When making a property compliant for zone 0 requirements, fences and gates are a significant part of the cost of compliance, sometimes the major part. How important is this compliance to save your house from igniting during a wildfire?
Berkeley’s proposed zone 0 requirement mandates the use of noncombustible materials in fences attached to structures (in zone 0 only), and requires the replacement of existing sections of attached fences in the 0-5 ft space immediately near a structure (i.e. in general a house).
This IBHS demonstration video shows, in 25 seconds, the difference between a combustible and a noncombustible fence in zone 0, and the impact on the attached house. It is worth watching two or three times.
Here is another similar demonstration, on Instagram:
References: