Integrity® from Marvin Windows and Doors Header

Integrity Windows

Virtually maintenance-free Fiberglass exterior
Unmatched Durability and longevity
Outperforms and Outlasts vinyl and aluminum

The Ultrex® Fiberglass Advantage
Strong, stable, durable and virtually indestructible, Ultrex® is possibly the perfect building material, creating windows that leave other materials in the dust.

Wood-Ultrex® Windows
Features exteriors of Ultrex® fiberglass and beautiful, real wood interiors.

All Ultrex® Windows
Exceptional aesthetics, outstanding durability, unbeatable performance.  Virtually indestructible exteriors in six finishes.  Low-maintenance classic white profiled interiors.

IMPACT Products
Impact/Wind Zone 3 rated for winds up to 140 mph.  Resists corrosion and UV degradation while withstanding heat up to 350°; so it’s perfectly suited to resist the salt, heat, sun, wind and humidity that accompany coastal living.

Energy Efficiency
Countless options that meet or exceed ENERGY STAR® requirements, making it easy to find the right energy-efficient option for your climate.

The full line of Integrity® from Marvin Windows and Doors

  • Double Hung Windows
  • Single Hung Windows
  • Casement Windows
  • Gliders
  • Awning Windows
  • Round Top Windows
  • Polygon Windows
  • Bay and Bow Windows
  • IMPACT products for coastal living
Product Portfolio
Integrity® from Marvin Windows - All Ultrex Round Top Window
Integrity® from Marvin Windows - All Ultrex Glider
Integrity® from Marvin Windows - Awning Window
Integrity® from Marvin Windows - Wood Ultrex Round Top
Integrity® from Marvin Windows - Wood Ultrex Double Hung
Integrity® from Marvin Windows - Polygon Window