High Performance Windows, Doors & Architectural Glass
At Alpen High Performance Products, we custom craft super-insulating, thermally-efficient windows and doors for both residential and commercial buildings. Utilizing unique proprietary components, we combine lightweight suspended-film technology with a fully insulated fiberglass or fiberglass reinforced uPVC framing system to produce some of the highest performing windows and doors in North America. Our American-made products are custom manufactured by experienced craftspeople who are driven by the utmost attention to detail, utilizing only the highest quality materials.
Need help choosing your new high-performance windows?
| Zenith Series | Tyrol Series | |
| Style | North American style for maximum viewing area and a clean, modern aesthetic | European styling and hardware options for an elegant and refined look |
| Operation | Outward swing (casement and awning), sliding (sliders and hung), fixed windows, sliding doors | Dual action, inward swing (tilt-turn/hopper) and fixed windows; Tilt-glide and swing doors |
| Sash & Frame Material | Pultruded fiberglass | Fiberglass reinforced uPVC (RAU-FIPRO) |
| NFRC Range | R-5 to R-10 | R-5 to R-11 |
| Passive House | PHIUS Certified | PHIUS and PHI certified |
| Living Building Challenge | ILFI Declare labeled | No ILFI Declare label |
| IG Options | Thin glass, HeatMirror, and true triple | Thin glass, HeatMirror, and true triple |
| OITC/STC | OITC: 35+ STC: 45+ |
OITC: 35+ STC: 45+ |
Zenith Series Windows and Doors
North American Style Fiberglass
Alpen High Performance Products fiberglass windows and doors use advanced, customized thin glass or suspended coated film glazing to deliver performance equal to or greater than what can be achieved with traditional triple- and quad-pane windows.
Tyrol Series Windows and Doors
European Style Fiberglass Reinforced uPVC
Combining European styling, German-engineered hardware and “American Made” advantages with the incredible strength and performance of GENEO® RAU-FIPRO®, Alpen delivers best-in-class windows and doors that are beautifully designed and exceptionally crafted.
Alpen Commercial Windows and Glass
High Performance Windows and Glass for Commercial Applications
Alpen HPP’s commercial-grade fiberglass ribbon windows provide a balanced solution to meet the advanced thermal, structural and interior comfort needs of today’s high performance commercial building market.
