Fortis Series
The Vytex Fortis Series is one of the world's most efficient window systems; and includes the most advanced features and technologies available. Fortis Series windows are manufactured from the highest-grade materials and tested to meet or exceed industry standards. They're virtually maintenance-free, and will keep their like-new beauty and performance year after year.
Glass options
Color options
Window Anatomy
Our Potomac-hp Series replacement windows offer you a variety of optional features to increase the energy efficiency of your windows, including:

VyGuard Laminated Glass

VyGuard Laminated Glass is available with Potomac-hp Series, Heritage Series, Casement Windows, and Signature Sliding Patio Doors... learn more

Envirosealed Technology

Envirosealed TechnologyVytex's Envirosealed energy-efficient windows can lower energy bills and ensure a greener future for the planet... learn more

Vytex DuraTex Warm Edge Spacers

Vytex DuraTex Warm Edge SpacersAll insulated glass (IG) is not created equal! Our versatile warm edge technology spacer system helps you save on your energy bills.

Vytex DuraTex Warm Edge Spacers

Vytex DuraTex Warm Edge SpacersAll insulated glass (IG) is not created equal! Our versatile warm edge technology spacer system helps you save on your energy bills.


EnerCoreExpect superior performance. In thermal tests, Vytex EnerCore performs 533 times better than aluminum and 160 times better than steel... learn more


TripleSilverLoEIntroducing TripleSilverLoE, the ultimate performance glass. It just might make all other low-e glass obsolete... learn more
Color Options

Introducing the VyWood WindowVytex Potomac-hp Series windows are the ultimate in premium windows, combining style, performance and efficiency to enhance your home's character and maximize your energy savings. Potomac-hp Series windows are now available in VyWood paintable, stainable interior laminate in your choice of pine or oak.

With VyCoat you can choose windows offering an array of colors, creating magnificent views. You can give your home roadside appeal, outstanding weatherability, years of color reliability, added value, and lasting distinction.

Window and Door Profile Coating System:

  • Waterborne-environmentally friendly.
  • Excellent exterior coating with superior performance.
  • Over 25 shades of the color spectrum.
  • Provides more color possibilities than co-extrusion.
  • High abrasion and humidity resistance.
  • Maintains color vibrancy.
  • Expanded color and gloss retention.
  • Proven durability in all weather conditions.
  • No peeling, flaking or cracking.Specifically formulated to coat PVC.
    Long-lasting beauty for the windows in your home.

VyCoat is specifically formulated to coat PVC and designed to meet all International Standard requirements.

VyCoat is available on window exteriors only and is exclusive to our Potomac-hp Series and Fortis Series.

Due to your computer monitor's settings, actual colors may vary.
Grid Options
Allow the elegance of DesignerGrid to add class, luxury, and warmth to your most important possessionyour home. DesignerGrid technology provides the quality and durability that are synonymous with Vytex windows.

Form, function, and lots of little details...
The beauty of cut glassrainbows of colors, illustrations of shape and depth. Now you can have that elegant look of traditional cut glass. Windows, patio doors, and transoms can all be enhanced in a variety of styles and patterns to match your home's architectural style.

Provides a traditional look and feel...
The DesignerGrid innovative design provides the classic look of beveled glass, while maintaining the energy-efficient standards of top-quality windows.

A multitude of patterns for your home...
Our DesignerGrid technology can create a number of different beveled and grooved edges, which allows DesignerGrid to be customized to fit a wide variety of styles, and match any home's personality.

The quality you expect from Vytex...
Customers have come to expect the highest quality from Vytex windows. We're proud to continue that standard with DesignerGrid. Blending style with quality and durability to create a lasting finish is what defines our products.
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