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Pottsy · 17th October 2006, 11:05

I wonder if, when the sun heats the glass, the expansion stresses the edges very unevenly because of the sharp triangular shape. At the sharp pointed corner there always seems to be a concentrated failure, which makes me think this is what's happening.

17th October 2006, 11:05	#66 (permalink)
Pottsy Administrator Civinfo master Join Date: 10th April 2006 Location: Leics Posts: 5,468 Thanks: 22 Thanked 164 Times in 97 Posts iTrader: (0)	I wonder if, when the sun heats the glass, the expansion stresses the edges very unevenly because of the sharp triangular shape. At the sharp pointed corner there always seems to be a concentrated failure, which makes me think this is what's happening.