Glazing Options
A. Dual insulated, both lites Clear, DuraLite® Spacer-Lowest Insulating Value
B. Dual insulated Cardinal 270 LoE²-2 layers of LoE Coating (side 2) with argon fill, DuraLite® Spacer -Twice the Insulating Value of Clear
C. Dual Insulated Cardinal 366 LoE³-3 layers of LoE Coating (side 2) with argon fill, with Neat® glass, DuraLite® Spacer
The data shows that the overall U-factor and in turn heat loss are significantly reduced with Cardinal LoE² and LoE³ products over clear IG units.
The Hawthorne Patio Door: Efficient
| Dual Glazed | 366 Glass | Triple Glazed | 366 Glass | |
|---|---|---|---|---|
| U Value | 0.27 | 0.26 | 0.17 | 0.16 |
| Solar Heat Gain Coefficient (SHGC) | 0.32 | 0.21 | 0.28 | 0.19 |
| Air Infiltration | 0.09 | 0.09 | 0.09 | 0.09 |
The InnovativE® Glass Package comes standard with double strength glass, Low E coating, Duralite® spacer and argon gas fill.
Triple glazed doors will have a U-channel steel spacer.
