NEW Wood-Ultrex INSERT Double Hung

The NEW Wood-Ultrex Insert Double Hung window’s frame-in-frame design is precision built to your unique window opening, allowing for a clean replacement. Rich wood interiors are complemented by Ultrex pultruded fiberglass exteriors and a wide array of options for superior performance and durability.

Request Literature Watch Video View the Product Page Win an iPad AIR

Patented Finish FIRST and ONLY AMMA Verified 624-10

Integrity builds TOUGH windows and doors with Ultrex pultruded fiberglass. Featuring the industry’s FIRST and ONLY AAMA verified 624-10 finish, Ultrex provides long-lasting exteriors that fiberglass competitors simply can’t match.

See What Makes
Ultrex So Tough
Request the Ultrex Brochure Request Ultrex Sample Download 624-10
Finish Information

Show us your Integrity project.

Have you completed, or are you currently working on a Commercial, Remodel/Replacement or New Construction project where Integrity products are being used for a unique solution or the job has an interesting story? Enter the project into the 2014 Integrity Red Diamond Achiever Award Program and receive a $50 gift card!

Red Diamond Achiever
Submit Your Project View 2013 Winners Read the RDA
Program Rules

Ultrex: Quite possibly the perfect building material.

Integrity windows and doors are made with Ultrex pultruded fiberglass, a material patented 20 years ago when Integrity pioneered the fiberglass windows and door category. Integrity has led the category ever since with a commitment to a product that is tough, smart, long lasting, and worry-free.

Request a Sample View the Product Page Request the Ultrex Brochure

The best choice for the worst conditions.
IMPACT Windows and Doors.

Our IZ3 offerings are not just limited to standard sizes. With Integrity IMPACT Windows and Doors, you can create breathtaking views and unique window combinations, with the protection you need when the storm hits.

Request Literature Learn More

A company built on a foundation of values.

We’re a company built on a foundation of values. An evolution of principles established over a century ago, passed down through the Marvin family. Building windows and doors with pride, here in America, as if they’re for our own homes. Taking no shortcuts. That’s Integrity.

Discover Our Story