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U-Factor and NFRC Ratings

One inch insulated glass on a Dura-Glide or Dura-Glide GreenStar can reduce the
U-Factor by 40%* by better preventing interior heat from escaping to the outside. 

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Download the U-Factor Guide 

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Understanding U-Factor/U-Value and
Automatic Doors in Under 90 Seconds:

 

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Colder climates can prevent heat loss:

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Maximize glass for best results:

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Understanding NFRC Ratings and
Automatic Doors in Under 90 Seconds:

SIMULATIONS PERFORMED BY AN NFRC ACCREDITED LAB
* Typical 14' bi-part with Solarban 60 Air or better. Thermal values will vary with glass type selected, glass to aluminum ratio and environmental conditions on site.