Window Failure During Wildfires

Article Written by:
Stephen L. Quarles, Senior Scientist, Insurance Institute for Business & Home Safety, Richburg, SC 

During a wildfire, windows can be exposed to both radiant heat and direct flame contact exposures. Because wind-blown embers (firebrands) can travel up to a mile or more in front of the wildfire, when a wildfire threatens, windows will be exposed to embers. Therefore, the most vulnerable window when a wildfire threatens is one that is left open. Particularly with unscreened windows, embers …