Defensible Space 5
Defensible Space 5 : An area either natural or manmade where material capable of causing a fire to spread has been treated, cleared, reduced, or changed to act as a barrier between an advancing wildland fire and the loss of life, property, or resources. In practice, defensible space is defined as an area a minimum of 30 feet around a structure that is cleared of flammable brush or vegetation or other fuels