Internal Reference
Glass Ratings Matrix
Every glass × construction × system combination
| Sys | Construction | Glass | Grl | Spcr | U-Factor | SHGC | VT | STC | OITC | Class | Glass Makeup | Snips |
|---|
Snips column: E A O — Energy, AAMA, OITC. Bold letter = snip available; faint = missing.
Class: from sheet's performance_class column (Vi6 default = CW65).
Grl/Spcr: grilles indicator (N/G/S) and spacer code.