Small nickel sulfide stones can form randomly in the production of float glass.
Spontaneous glass breakage shower door.
Those pressure layers eventually cause the glass to just shatter.
Treat the shower doors and enclosure gently.
Replace any deformed or broken grommets or plastic washers.
Don t let kids hang on towel bars.
The explosion was spontaneous.
One minute the shower door was completely intact.
A far less common but often cited cause of spontaneous glass breakage is nickel sulfide nis inclusions in tempered glass.
The breakage was never a crack that progressed into pieces of glass tinkling to the floor.
The next minute it was fragmented into minute pieces and the noise of the shattering was very loud sometimes described as deafening.
If there are more than one bumper that the shower door hits adjust the door so they are impacted.
Don t slam the door.
Ironically the center tension zone engineered into tempered glass through the quenching process is also what makes it so vulnerable to catastrophic breakage.
Baltimore on a cold day in february evelyn businsky was on her couch when the sliding glass door behind her spontaneously shattered.
They are typically benign even when occurring in tempered glass.
The incidents of spontaneous glass breakage in chicago las vegas austin texas and toronto occurred exclusively with tempered glass.
The number two reason would be through inclusions microscopic imperfections that grow into a larger crack internally to the pressure layers.
Any of these can result in creating a concentrated point load on the edge or corner of the glass.
The number one reason glass doors break is because of some form of damage to the glass around the edges of that door meshulam said.
In the case of spontaneous glass breakage there are no cracks in the glass to notice or fallen pieces on the shower floor.
Homeowners who have experienced this have described the sound as deafening.
This is problematic since there are no warning signs and an apparently intact shower door may simply break into pieces suddenly.