geo_interior_left

The Stormgate(NC) Geometric Shapes

windgate-geo

NOTE: Full 3-1/4″ jamb depth chambered frame for maximum structural integrity. Comes with a double-wall, integral “J” channel designed into the frame, eliminating the cost of an add-on “J” channel while providing a pleasing “beveled” exterior look.

Optional Jamb Extensions: Optional applied jamb extensions and companion 2-1/4″ Colonial casing are available.

  • Tax Credit

    Learn how you can save with energy-efficient windows from Alliance. Learn more.

    GO >
  • Industry's best warranty.

    View and download our warranty information today to learn more.

    GO >
  • Thermal Performance

    View the thermal performance test data on our windows.

    GO >
  • A variety of color options!

    A wide range of interior, exterior and woodgrain options. Learn more.

    GO >
logo-footer-alliance