The Ultrex patented finish process is three times thicker than competitive finishes to resist scratching and maaring. It also provides five times the UV resistance to protect against fading, chalking, streaking and cracking.

Exterior finish samples are approximate. Please visit your local Integrity retailer to see actual color samples.

Ultrex Fiberglass

Our high-performance, proprietary Ultrex fiberglass delivers the strength and rigidity that outlasts and outperforms vinyl and aluminum. Plus, our patented finishing process yields a finish that is three times thicker than competitors that looks great for the life of the window.

• Durable low-maintenance pultruded fiberglass
• 8x stronger than vinyl
• 9x less expansion and contraction than vinyl
• Non-conductive and non-corrosive
• Patented finishing process resists fading and cracking

Wood-Ultrex windows feature solid-wood, pine interiors in a bare wood finish that is ready for painting staining or a factory-applied semi-gloss white paint.

Wood is a product of nature and will vary in color, texture and grain. The wood options shown are to demonstrate the approximate look only. Please visit your local Integrity retailer to see interior color samples.

Grilles and Divided Lites

Grilles and divided lites are available in a variety of styles match the architectural design of your home.

Divided Lite Patterns

Integrity from Marvin offers a standard lite cut pattern for Round Top SDL/ Grilles and GBG divided lites. Lite cuts may not properly align in some mulitple assembly configurations — consult your local Integrity retailer for details.

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