Certified Window

Alpen Zenith Casement

Alpen High Performance Products Orange Path Certified (Valid)

Overview

  • U-Value, Whole Window

    0.17 BTU/hr·ft²·°F 0.95 W/m²K

  • U-Value, Center of glass (U-COG)

    0.12 BTU/hr·ft²·°F 0.70 W/m²K

  • SHGC-COG

    0.581

  • Operation Type

    Operable

  • Frame Material

    Fiberglass

  • IGU Panes

    Triple

  • Glazing Name

    HighGain-6 TGT

  • Rec. Climate Zone(s)

    • 4C
    • 5C
    • 4A
    • 4B

IGU (Glazing) Information

  • Panes

    Triple

  • Gas Fill

    Argon

  • Spacer

    Quanex Super Spacer Premium

Frame Information

Head Sill Left Jamb Right Jamb
Frame height 2.87 in 73 mm 2.87 in 73 mm 2.87 in 73 mm 2.87 in 73 mm
U-Frame 0.18 BTU/hr·ft²·°F 1.05 W/m²K 0.18 BTU/hr·ft²·°F 1.05 W/m²K 0.18 BTU/hr·ft²·°F 1.04 W/m²K 0.18 BTU/hr·ft²·°F 1.04 W/m²K
PSI-Spacer 0.021 BTU/hr·ft·°F 0.036 W/mK 0.021 BTU/hr·ft·°F 0.036 W/mK 0.021 BTU/hr·ft·°F 0.036 W/mK 0.021 BTU/hr·ft·°F 0.036 W/mK

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