How Tornadoes Breach Windows and Doors: Envelope Failure Explained
Why Windows and Doors Are a Tornado’s First Target Glazing and door assemblies fail before roofs do in most tornado damage sequences, because they are the weakest, most exposed components of the building envelope. Once wind-borne debris breaches a window or door, internal pressure rises sharply and accelerates failure of the roof and walls that follow. Walk any tornado damage
