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During high wind events, vortices form along the edges of the roof creating areas of localized negative pressure (“suction”) above the roof

During high wind events, vortices form along the edges of the roof creating areas of localized negative pressure (“suction”) above the roof
Video:

Ember Activity on the Caughlin Fire

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Encapsulated Ducts

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Encapsulated ducts are sprayed with ccSPF in an unconditioned attic

Encapsulated ducts are sprayed with ccSPF in an unconditioned attic
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Every natural gas appliance has a shutoff valve in the gas line to the appliance that can be manually shut off if a leak happens at a specific appliance or in preparation for an impending natural disaster.

Every natural gas appliance has a shutoff valve in the gas line to the appliance that can be manually shut off if a leak happens at a specific appliance or in preparation for an impending natural disaster.
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Example of a properly braced gable end wall

Example of a properly braced gable end wall
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Example of setback from wildland vegetation Image title: Homes sited on hills in wildfire prone areas should be set back at least 50 feet from downslope wildland vegetation.

Example of setback from wildland vegetation Image title: Homes sited on hills in wildfire prone areas should be set back at least 50 feet from downslope wildland vegetation.
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Examples of many common ceiling penetrations that will be difficult to insulate and air seal in this cathedral ceiling.

Examples of many common ceiling penetrations that will be difficult to insulate and air seal in this cathedral ceiling.
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Excess Flow Valves and Earthquake-Actuated Gas Shutoff Valves are two different types of valves that automatically stop the flow of gas into the house: excess flow valves stop gas flow if there is a break in the line, earthquake valves stop gas flow if th

Excess Flow Valves and Earthquake-Actuated Gas Shutoff Valves are two different types of valves that automatically stop the flow of gas into the house: excess flow valves stop gas flow if there is a break in the line, earthquake valves stop gas flow if there is an earthquake
Case Study:

Existing Whole-House Solutions Case Study: Deep Energy Retrofit in the Pacific Northwest

Case Study:

Existing Whole-House Solutions Case Study: Retrofitting a 1960s Split-Level Cold-Climate Home

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Extreme weather, such as wind, fire, flood, or extreme heat (included in the Severe Weather category above) causes most large electric disturbance events in the U.S (defined as affecting at least 50,000 customers) (data from 2000-2016)

Extreme weather, such as wind, fire, flood, or extreme heat (included in the Severe Weather category above) causes most large electric disturbance events in the U.S (defined as affecting at least 50,000 customers) (data from 2000-2016)
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Failure in attic insulation effectiveness caused by wind washing pushing insulation away from the edges of the attic space.

Failure in attic insulation effectiveness caused by wind washing pushing insulation away from the edges of the attic space.
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Fighting the Washoe Drive Fire

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Final Lessons learned from def space inspection

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Fire barriers for ventilated wall cavities use thermally activated expansive materials to close off the ventilation space between the wall cladding and the sheathing during a fire while allowing air flow through the metal mesh during normal conditions

Fire barriers for ventilated wall cavities use thermally activated expansive materials to close off the ventilation space between the wall cladding and the sheathing during a fire while allowing air flow through the metal mesh during normal conditions
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Fire barriers for ventilated walls use heat activated intumescent expansive materials to close off the ventilation space between the wall cladding and the sheathing during a fire while allowing air flow through the metal mesh during normal conditions

Fire barriers for ventilated walls use heat activated intumescent expansive materials to close off the ventilation space between the wall cladding and the sheathing during a fire while allowing air flow through the metal mesh during normal conditions
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Fire Behavior on the Washoe Drive Fire

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Fire resistance plans for a community include creating defensible space for each home and for the whole community, constructing with fire-resistant materials, and providing turn-around space for emergency response vehicles.

Fire resistance plans for a community include creating defensible space for each home and for the whole community, constructing with fire-resistant materials, and providing turn-around space for emergency response vehicles.
Presentation:

Fire Sprinkler Systems for New One- and Two-Family Homes

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Fire suppression sprinklers can be set to activate only in the room where a fire is sensed.

Fire suppression sprinklers can be set to activate only in the room where a fire is sensed.
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Fire-resistant homes could be answer to California's growing wildfire problem

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Fire-Safe Building Materials

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Fire-Smart Landscaping - FIRESafe MARIN and UC Marin Master Gardeners