The Hawthorne 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

D. Triple Cardinal 270 LoE²-4 layers of LoE Coating (sides 2 & 5) with argon fill, XL Edge® Spacer

E. Triple Cardinal 366 LoE³-6 layers of LoE Coating (sides 2 & 5) with argon fill, with Neat® glass, XL Edge® 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.

  Clear/Clear LoE²-270/Clear LoE³-366/Clear Triple-Pane LoE²-272/Clear/LoE²-272 Triple-Pane LoE³-366/Clear/LoE³-366
Center of Glass U-value (Btu/hr/ft²/°F) 0.48 0.25 0.24 0.20 0.19

This table shows how Cardinal LoE coatings and argon filling improve center of glass U-value.
Above figures are tested center of glass U-values used for comparison between options.
Complete window U-values will vary and include other factors such as air infiltration and frame construction

*Above options can be made with obscure, tempered or tinted glass.

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Midway Industries, Windows, Chicago, IL