Safety glazings are commonly required for sliding glass doors shower doors and patio furniture.
Tempered glass shower door shattered.
Meaning if you were to drop the glass on its side it would instantly shatter.
Ironically the center tension zone engineered into tempered glass through the quenching process is also what makes it so vulnerable to catastrophic breakage.
And it s called an inclusion.
Yet there s a rare and terrifying problem.
Tempered glass safety alert tempered glass is a technology that is designed to fail safely.
Shower doors spontaneously shattering sometimes while a person is showering resulting in wet naked injured people.
Most contractors agree that the problem lies in the tempered glass that is used in shower doors.
Was having his morning coffee when his wife alerted him to a strange noise.
During the heating process the glass becomes more resistant to a direct impact but much more susceptible to a side impact.
It takes a serious impact to break and when it does it shatters into small granular chunks instead of large shards.
That inclusion a tiny ball of metal made of nickel and sulfer growing over time.
A glass shower door can break even if no one s in the bathroom.
This makes the glass much stronger against direct impact but weakens it against side impact.
6 2012 larry kucharik 64 of oak park ill.
But while this is the greatest strength of tempered glass it is also a weakness.
The reason tempered glass spontaneously shatters it might have a flaw in the edge or a scratch in the surface.
The other reason is occasionally there s an impurity in the glass when it was melted from sand.
Retailers of shower doors usually cite improper installation as the primary cause of shower door explosion but installation contractors point out that the frames brackets and hinges are usually still in place after a shower door explosion occurs.
That s because the tempering process used to create safety glass causes it to break into very small pieces rather than large sharp shards.
Delta shower doors are made with tempered glass much like the glass used in automobiles and airplanes.
The tempered glass connection it s important to note that actual injuries from exploding shower door glass are very rare.
The glass is designed with safety in mind.
Consumer products that use tempered glass should rupture into small fragmented pieces and not into larger shards if.
That happened to a nine year old.