Why are lone homes left standing after the fires? It's not entirely luck

Emails and videos of burned buildings in Los Angeles versus those still standing have been flying back and forth among architects, builders and fire safety specialists around the world
Karma Rowe · 7 days ago · 2 minutes read


Fire-Resistant Homes: Building Structures that Withstand Catastrophes

Luck and Design: Understanding Fire Vulnerability

In the wake of devastating wildfires, architects and homeowners grapple with understanding and mitigating fire risk.

Although luck plays a role in fire spread, experts emphasize that homes can be designed to reduce vulnerability.

Exterior Materials: Fire-Resistant Options

Architects recommend avoiding combustible materials like wood siding. Alternatives include:

  • Fire-resistant barriers: Gypsum boards placed beneath wood siding delay heat transfer.
  • Stucco: A cement-based material commonly used in Southern California, providing excellent fire resistance.

Windows: Heat Transmission Control

Double-pane windows with tempered glass significantly reduce heat transmission.

Fire shutters can be incorporated to cover windows, offering additional protection.

Roof Design: Embers and Vents

Simpler roof lines allow embers to slide off more easily.

Asphalt roofs require special Class A materials to delay heat transfer in wildfire-prone areas.

Metal roofs are fire-resistant but conduct heat; a gypsum layer beneath is recommended.

Roof vents allow moisture escape but may become entry points for flames during a fire.

Innovative solutions include sealed roof structures and fire-responsive vent covers.

Additional Fire Safety Measures

Water tanks and exterior sprinkler systems can provide self-protection for homes during wildfires.

Additionally, insurance companies are prioritizing homes with enhanced fire protection due to increasing risk.

"Because there are, say, 50 ways a fire can burn your house,\" said Greg Faulkner of Faulkner Architects. "If you eliminate half of those, or three-quarters of them, that\u2019s not luck, that\u2019s increasing your odds."