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Alpen debuts Zenith Sliding Glass Door Series

The new sliders offer taller sizes, better sight lines and smooth opening.

Alpen High Performance Products (Alpen), a U.S.-based manufacturer of window, door and insulated glass technologies, has released its new Zenith Sliding Glass Door series. Alpen's Zenith series was developed to provide customers with a bigger door option that is easier to open and close while also providing increased energy efficiency amid rising regulations that are being implemented nationwide related to climate change, per the company. The series includes two models: the Grandline and the Narrowline, each offering unique features and performance benefits.

Zenith Grandline
Zenith Grandline

To ensure all Zenith series doors meet changing wind resistance standards, Alpen has partnered with an engineering firm to test the sliding glass door system's ability to meet more stringent wind load requirements.

Zenith Sliding Glass Doors feature:

  • Designs that leverage the clean lines and minimalism of modern design to maximize glass areas for better sight lines and to open indoor living spaces to the outdoors.
  • Durable, all-fiberglass frames coated with Alpen's newly launched paint system featuring 14 standard paint colors, including split finishes.
  • Advanced roller assemblies featuring polymer wheels, precision bearings and a single-bogie carriage for balanced load distribution. Rollers are AAMA 906 certified for durability and reduced rolling resistance.
  • Raised sliding sill track to ensure longer-lasting roll.
  • Integrated screen track for improved functionality and convenience.
  • Warp-resistant fiberglass interlocks.

The Zenith doors are available with Alpen's ThinGlass Triple (TGT) and ThinGlass Quad (TGQ) pane insulated glass, according to the company.

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