Full-frame R-values up to R-6.7, the Zenith Series ZR-6 offers outstanding value for residential and commercial buildings as well as retrofit and new construction.
Benefits of the Alpen Zenith Series ZR-6:
- NFRC Certified thermal performance up to R-6.7
- Exceed Energy Star® standards
- AAMA Gold Labeled to Commercial Window (CW) performance
- Superior air and water infiltration resistance
- Glazing options for solar control and passive heat gain.
- Advanced triple-pane, suspended-film glazing technology stabilizes interior glass surface temperature to create comfortable indoor living spaces year-round.
- 99%+ UV blockage protects interior finishes
- Center-of-glass R-8