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- FAQs ABOUT
DEFENSIBLE SPACE
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What is "Defensible
Space"?
Defensible
space refers to that area between a house and oncoming wildfire
where the vegetation has been modified to reduce the wildfire
threat and to provide an opportunity for firefighters to
effectively defend the house. Sometimes, a defensible space
is simply a homeowner's properly maintained backyard.

What is the
relationship between vegetation and wildfire threat?
Many people
do not view the plants growing on their property as a threat.
But in terms of wildfire, what is growing adjacent to their
homes can have considerable influence upon the survivability of
their houses. All vegetation, including plants native to the area
as well as ornamental plants, are potential wildfire fuel.
If vegetation is properly modified and maintained, a wildfire can
be slowed, the length of flames shortened, and the amount of heat
reduced, all of which assist firefighters to defend the home
against an oncoming wildfire.
The fire department
is supposed to protect my house, so why should I bother with
defensible space?
Some
individuals incorrectly assume that a fire engine will be parked
in their driveway and firefighters will be actively defending
their home if a wildfire approaches. During a major
wildfire, it is unlikely there will be enough firefighting
resources available to defend every home. In these
instances, firefighters will likely select homes they can most
safely and effectively protect.
Does Defensible
Space require a lot of bare ground in my landscape?
No, while
bare ground is effective in reducing wildfire threat, it is
unacceptable due to appearance, soil erosion, and other factors.
Does Defensible
Space make a difference?
Yes.
Investigators of homes threatened by wildfire indicate that houses
with an effective defensible space are much more likely to survive
a wildfire.
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