Building codes
The Question that Needs to be Asked: Should California's Fire Resistance Code be Expanded for Urban Areas?
...materials must be Class A-rated (resistant to severe fire exposure), with particular attention given to roof penetrations and eaves.
Non-combustible siding: Homes must be clad with non-combustible materials or fire-resistant siding to prevent fires from easily igniting the exterior of the home.
Ember-resistant windows:...