I'm trying to decipher the following:
From a commercial remodel (exterior)
So I get there's two 1/4 inch panels, with 1/2 inch spacer, for an inch thick unit.
One of the panels is Sungate 500 low-e (ann... annealed?)
What's going on with the other panel... heat strengthend, not tempered? I thought building exteriors were supposed to be tempered... BZSC R2? They're tinted, but I'm still waiting on pics to see how much...
any help is greatly appreciated