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Alpen Zenith ZR-9 Sliding Glass Door
Alpen High Performance Products Orange Path Certified (Valid through 2026-01-02)Overview
IGU (Glazing) Information
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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 | 4.37 in 111 mm | 4.45 in 113 mm | 4.13 in 105 mm | 1.42 in 36 mm |
| U-Frame | 0.23 BTU/hr·ft²·°F 1.28 W/m²K | 0.31 BTU/hr·ft²·°F 1.78 W/m²K | 0.19 BTU/hr·ft²·°F 1.05 W/m²K | 0.3 BTU/hr·ft²·°F 1.73 W/m²K |
| PSI-Spacer | 0.036 BTU/hr·ft·°F 0.062 W/mK | 0.036 BTU/hr·ft·°F 0.062 W/mK | 0.036 BTU/hr·ft·°F 0.062 W/mK | 0.034 BTU/hr·ft·°F 0.059 W/mK |
| Lite Two | Lower Meeting Rail | Sill | Lower Left Jamb | Lower Right Jamb |
|---|---|---|---|---|
| Frame height | 4.37 in 111 mm | 4.45 in 113 mm | 4.13 in 105 mm | 1.38 in 35 mm |
| U-Frame | 0.21 BTU/hr·ft²·°F 1.17 W/m²K | 0.42 BTU/hr·ft²·°F 2.39 W/m²K | 0.12 BTU/hr·ft²·°F 0.71 W/m²K | 0.18 BTU/hr·ft²·°F 1.04 W/m²K |
| PSI-Spacer | 0.033 BTU/hr·ft·°F 0.057 W/mK | 0.034 BTU/hr·ft·°F 0.059 W/mK | 0.033 BTU/hr·ft·°F 0.057 W/mK | 0.036 BTU/hr·ft·°F 0.062 W/mK |