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CAD File:

Window head at window frame wall

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Window head at window frame wall
CAD File:

Window head at wood frame wall

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Window head at wood frame wall
CAD File:

Window sill at wood frame wall

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Window sill at wood frame wall
CAD File:

Window sill at wood frame wall

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Window sill at wood frame wall
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Winter Fire Safety: Homeowner Education

Winter Fire Safety: Homeowner Education
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Winter Fire Safety: Portable Generators and Winter Storms

Winter Fire Safety: Portable Generators and Winter Storms
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With the nailed block method, wood blocks are attached to the sill plate and the cripple wall plywood is attached to the block to provide shear strength for correctly bracing a cripple wall in a seismic retrofit

With the nailed block method, wood blocks are attached to the sill plate and the cripple wall plywood is attached to the block to provide shear strength for correctly bracing a cripple wall in a seismic retrofit
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Wood decks that extend over vegetated slopes are very vulnerable to ignition by approaching wildfires.

Wood decks that extend over vegetated slopes are very vulnerable to ignition by approaching wildfires.
Case Study:

WPPI GreenMax-Chambers Residence: Near Zero Energy Monitoring Summary

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Wrong - Airborne embers can float into holes in damaged vent screens and ignite flammable items in the house or accumulated debris in the vent.

Wrong - Airborne embers can float into holes in damaged vent screens and ignite flammable items in the house or accumulated debris in the vent.
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Wrong - An open eave with no soffit covering can trap rising hot air and embers from a wildfire.

Wrong - An open eave with no soffit covering can trap rising hot air and embers from a wildfire.
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Wrong - Debris in these open gutters can ignite from wind-borne embers and lead to ignition of the roof or fascia board; use leaf screens to keep debris out of gutters in wildfire-prone areas.

Wrong - Debris in these open gutters can ignite from wind-borne embers and lead to ignition of the roof or fascia board; use leaf screens to keep debris out of gutters in wildfire-prone areas.
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Wrong - Displaced concrete tiles can allow ember entry.

Wrong - Displaced concrete tiles can allow ember entry.
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Wrong - If the soffit is applied directly to the rafter eave, it forms a sloping soffit, which creates a pocket that can trap hot air and embers from a wildfire.

Wrong - If the soffit is applied directly to the rafter eave, it forms a sloping soffit, which creates a pocket that can trap hot air and embers from a wildfire.
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Wrong - Roofs with complex geometries are more susceptible to ignition during a wildfire because they offer more places for burning embers to become lodged.

Wrong - Roofs with complex geometries are more susceptible to ignition during a wildfire because they offer more places for burning embers to become lodged.
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Wrong – Airborne embers can float into holes in damaged vent screens and ignite flammable items in the house or accumulated debris in the vent.

Wrong – Airborne embers can float into holes in damaged vent screens and ignite flammable items in the house or accumulated debris in the vent.
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Wrong – An open and/or sloped soffit can trap heat and burning embers as a wildfire approaches, increasing the risk of ignition of the structure.

Wrong – An open and/or sloped soffit can trap heat and burning embers as a wildfire approaches, increasing the risk of ignition of the structure.
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Wrong – Combustible debris under this deck ignited and led to the destruction of the deck.

Wrong – Combustible debris under this deck ignited and led to the destruction of the deck.
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Wrong – Combustible materials near a deck can ignite the deck and the home.

Wrong – Combustible materials near a deck can ignite the deck and the home.
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Wrong – Conventional wood deck risks ignition from embers falling on the surface or from unmaintained vegetation burning below.

Wrong – Conventional wood deck risks ignition from embers falling on the surface or from unmaintained vegetation burning below.
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Wrong – Regular window glass is susceptible to breakage from the radiant heat of a wildfire; tempered and laminated glass are more resistant to breakage.

Wrong – Regular window glass is susceptible to breakage from the radiant heat of a wildfire; tempered and laminated glass are more resistant to breakage.
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Wrong – The open overhang with exposed timbers and unscreened vent holes make this roof more susceptible to ignition.

Wrong – The open overhang with exposed timbers and unscreened vent holes make this roof more susceptible to ignition.
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Wrong – The outer pane of this window broke under radiant exposure from a neighbor’s house that had ignited in a 2007 southern California wildfire.

Wrong – The outer pane of this window broke under radiant exposure from a neighbor’s house that had ignited in a 2007 southern California wildfire.
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Wrong – This deck is constructed with metal railings and the wooden supports are covered with fire-resistant stucco; however, the exposed wooden beams on the underside of the deck still pose a significant fire hazard.

Wrong – This deck is constructed with metal railings and the wooden supports are covered with fire-resistant stucco; however, the exposed wooden beams on the underside of the deck still pose a significant fire hazard.