Which term describes the zone around a building where vegetation has been modified to slow wildfire spread?

• A. Defensible space
• B. Firebreak
• C. Buffer zone
• D. Shelter-in-place area

Answer: (A)

Defensible space is the zone around a building where vegetation has been modified to slow wildfire spread. By reducing fuels close to the home—removing dead or highly flammable material, thinning and spacing trees and shrubs, pruning tree limbs, keeping roofs and gutters clear, and using low-flammability landscaping—you interrupt the fire’s ability to approach with intense heat and flames. This distance lowers radiant heat reaching the structure, reduces the chance that flames will ignite it directly, and gives firefighters a safer, more effective area to defend the home. A firebreak is a cleared gap intended to stop fire movement, not specifically the landscaped area around a building. A buffer zone is a general safety term, and shelter-in-place areas are for occupants to stay inside during a fire, not for fuel management around a structure.