Exploding double-glazing units!

I have a long-standing customer for whom I replaced a d/g unit in her bathroom which we both assumed had broken due to a bird strike or being hit by a stone.

When the same unit shattered again after four months, I started digging on Google as to why and found this site which answered the question.

I know it's not directly decorating-related but the site does have some interesting...

Exploding double-glazing units!