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Why Choose Integrity?

Monster Truck Strong

  • One square inch of our state-of-the-art building material can support 34,000 lbs. That’s more than the weight of TWO of these giant monster trucks.
  • Ultrex® is 8 times stronger than vinyl.

Superior to All Painted Finishes

  • The patented Ultrex finish performs so well that, unlike vinyl, Marvin offers it in dark colors, like Ebony, without fear of increased heat loads, UV degradation or fading.

The Best Efficiency for a Window or Door

  • Compared to single pane unglazed windows, Integrity's dual pane windows made from Ultrex with Low E coating can reduce window heat loss and cut costs by up to 34% in cold climates, and cut cooling costs by up to 38% in warm climates.
  • Ultrex expands at virtually the same rate as glass which means its windows stay tight and true making them resistant to leaks, seal failures and stress cracks that can compromise energy efficiency and long-term performance.
  • Integrity® from Marvin® Windows and Doors combines the low conductivity and superior performance attributes of Ultrex with a selection of energy-efficient glazing options to deliver ENERGY STAR qualified solutions.

Jobsite Durable

  • Fiberglass is highly durable, doesn’t leak or corrode, resists rot and resists expanding and contracting in temperature swings. These properties make Ultrex fiberglass 8 times stronger than vinyl and a far more durable material.

Coastal -tested Durability

  • Ultrex is perfect for homes and buildings along the coast, holding up to the harshest conditions mother nature can dish out. Marvin’s Impact Line of Integrity Windows is IZ3 Rated.
  • The IZ3 (Impact Zone 3) icon demonstrates that the window has passed every extensive test required to be used in Atlantic and Gulf Coast hurricane zones.

Wood-Ultrex Double Hung

Traditional style meets high performance in this evolution of the classic turn-of-the-century window. Its clean, balanced design provides the performance and aesthetic your home deserves. These double hung windows combine nicely with picture windows, polygons, and more to create breathtaking windowscapes.

Wood-Ultrex Casement

Clean sightlines and smooth operation makes the Wood-Ultrex Casement window some of our most versatile windows. Add Round Top for an extra splash of sunlight or pair them with a picture window for a great view. The Ultrex fiberglass exterior stands up to the harshest elements, and the real wood interior delivers natural beauty.

Wood-Ultrex Awning

Integrity Wood-Ultrex Awning windows are as versatile as they are strong. For more natural light, combine them with a Round Top or pair them with a picture window. They feature dual locking points, scissor arm operation, an Ultrex exterior with the toughness to stand up to the elements and the beauty that only a wood interior can deliver.

Wood-Ultrex Glider

Integrity Glider windows are exceptionally simple to use because they are designed exclusively for horizontal use with easy operation. Because they offer the same contemporary sightlines as Casement windows, Gliders are ideal where there is not room for a swinging sash. Integrity Glider windows tilt inward in one simple motion for easy cleaning.

Wood-Ultrex Bay & Bow

These are the windows that make a house a dream home. Any room feels more open and vibrant with the addition of a Bay or Bow window. Whether an elegant arc of Casement windows or a combination of Double Hung and Casement, panoramic views await you with a Wood-Ultrex fiberglass Bay or Bow Window from Integrity.

Wood-Ultrex Polygon

Eight unique shapes make the Wood-Ultrex Polygon Window our most versatile design. Use Polygons as sidelights and transoms, or combine them into a breathtaking wall of windows. Gigantic picture windows as large as 8 feet by 6 feet are made possible by the superior strength of Ultrex fiberglass. With a beautiful wood interior, your polygon windows will match any interior design.

Wood-Ultrex Round Top

The Round Top window is an exciting complementary piece, adding light and flair to windows and turning doors into grand entrances. Available in quarter-round, half-round, and elliptical designs, their clean lines are designed to match perfectly with your Integrity Wood-Ultrex fiberglass windows and doors.