Glenn NaderGlenn Nader

Yuba & ButteYuba & Butte

Fire Safe CouncilsFire Safe Councils

Fire Safe CouncilsFire Safe Councils

Focus on fuels reduction around Focus on fuels reduction around HomesHomes CommunitiesCommunities

Added toolAdded tool Building construction materialsBuilding construction materials

Educational tools on CDs & WebEducational tools on CDs & Web

Information on components of the homeInformation on components of the home ChecklistChecklist ““How to” conduct burn demonstrationsHow to” conduct burn demonstrations

Key Points of Jack Cohen's Key Points of Jack Cohen's Research PaperResearch Paper

Home ignitabilityHome ignitability, rather than , rather than wildland fuels, is the principal cause wildland fuels, is the principal cause of home losses during wildland/urban of home losses during wildland/urban interface fires. interface fires.

Key items - Key items - flammable roofingflammable roofing materials, materials, ventsvents, and the presence of , and the presence of burnable vegetationburnable vegetation immediately immediately adjacentadjacent to homes. to homes.

Fire Elements

Fuel

HEAT

OXYGEN

Fire Behavior Factors

Basic Fire PhysicsBasic Fire Physics

Fire ConceptsFire Concepts

Heat the surface of combustible Heat the surface of combustible building materials to a point that the building materials to a point that the volatile gases are given off and volatile gases are given off and combustion startscombustion starts..

Three ways wildfire threatens a house...Three ways wildfire threatens a house...

First, direct flame contact...First, direct flame contact...

Second, radiated heat ...Second, radiated heat ...

ThirdThird, , flyingflying firebrandsfirebrands..

Home Fire Exposure Home Fire Exposure Pre fire frontPre fire front - - exposure to embers exposure to embers

before the fire front encounters the home, before the fire front encounters the home, usually about a usually about a half hourhalf hour..

Fire frontFire front – – embers, radiant heat and embers, radiant heat and flame impingementflame impingement for for 5 – 105 – 10 minutes minutes depending on the fuel load around the depending on the fuel load around the home. This is only home. This is only 1-21-2 minutes in a grass minutes in a grass fire.fire.

Post fire frontPost fire front – – embers embers and burning debris and burning debris continue to be exposed to the home for continue to be exposed to the home for 3.5 3.5 to 4to 4 hours, Many buildings are ignited and hours, Many buildings are ignited and destroyed during this period and it is an destroyed during this period and it is an important period for building survival.important period for building survival.

Change of Building Change of Building materialsmaterials

New constructionNew construction Existing HomesExisting Homes

EducateEducate $ Costs$ Costs InsuranceInsurance

Building Construction Building Construction InformationInformation

UC ResearchUC Research Material Material

performanceperformance Education Education