Certified Door

Alpen Narrowline Sliding Glass Door

Alpen High Performance Products Orange Path Certified (Valid through 2028-05-11)

Overview

  • U-Value, Whole Door

    * 0.16 BTU/hr·ft²·°F 0.90 W/m²K
  • U-Value, Center of glass (U-COG)

    * 0.10 BTU/hr·ft²·°F 0.57 W/m²K
  • SHGC-COG

    0.474
  • Operation Type

    Sliding Door
  • Frame Material

    Fiberglass
  • IGU Panes

    Quad
  • Glazing Name

    HighGainl-9 TGQx³ [35mm OA]
  • Rec. Climate Zone(s)

    • 4C
    • 5C
    • 4A
    • 4B
    • 5A
    • 5B

The U-values in the Overview section apply to Zones 4A/4B. For other climate zones, refer to the Phius Certified Product certificate available hosted on this page. All other performance data is not climate-specific.

IGU (Glazing) Information

  • Panes

    Quad

  • Gas Fill

    Krypton

  • Spacer

    Ködispace 4SG

Download

  • Phius product certificates provide the component-level data needed for actual-size thermal performance calculations. Phius Blue Path and Orange Path certificates are functionally equivalent for use in Phius Project Certification.

Frame Information

Lite One Head Upper Meeting Rail Upper Left Jamb Upper Right Jamb
Frame height 5.12 in 130 mm 4.84 in 123 mm 4.76 in 121 mm 1.73 in 44 mm
U-Frame 0.25 BTU/hr·ft²·°F 1.4 W/m²K 0.31 BTU/hr·ft²·°F 1.73 W/m²K 0.23 BTU/hr·ft²·°F 1.32 W/m²K 0.12 BTU/hr·ft²·°F 0.71 W/m²K
PSI-Spacer 0.019 BTU/hr·ft·°F 0.034 W/mK 0.019 BTU/hr·ft·°F 0.034 W/mK 0.019 BTU/hr·ft·°F 0.034 W/mK 0.044 BTU/hr·ft·°F 0.076 W/mK
Lite Two Lower Meeting Rail Sill Lower Left Jamb Lower Right Jamb
Frame height 5.12 in 130 mm 4.84 in 123 mm 4.49 in 114 mm 1.73 in 44 mm
U-Frame 0.25 BTU/hr·ft²·°F 1.43 W/m²K 0.3 BTU/hr·ft²·°F 1.7 W/m²K 0.12 BTU/hr·ft²·°F 0.71 W/m²K 0.22 BTU/hr·ft²·°F 1.26 W/m²K
PSI-Spacer 0.019 BTU/hr·ft·°F 0.033 W/mK 0.019 BTU/hr·ft·°F 0.033 W/mK 0.044 BTU/hr·ft·°F 0.076 W/mK 0.019 BTU/hr·ft·°F 0.033 W/mK