Double Pane Window - Broken
It was a spiderweb. A frozen explosion. A thousand tiny blades of glass holding hands in a perfect starburst. No hole. No point of impact. Just chaos, trapped between the sheets like a pressed flower of disaster.
Thermal stress occurs when temperature differentials across the glass surface cause expansion and contraction at different rates. broken double pane window
The method of repair depends entirely on the diagnosis of the failure mode. It was a spiderweb