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Crafted with expertise.
the status quo.
Window & door replacement
made easy for you.
Infinity windows and doors are made from Ultrex fiberglass - a pultruded fiberglass material so strong and durable it is superior to other window materials.
We are happy to answer your replacement window questions, but we want to go one step better. We'll show you the proof behind those answers; the reasons why Infinity from Marvin® is your best choice in replacement windows. Our windows meet and exceed the most stringent standards, but we know they must still meet an even higher standard: yours.
References: Stork Technimet/Testing Corporation: #0602-15293, #0512-14889, #0704-19702, #TCT006638P. Precision
Measurements and Instruments Corporation: #13043-DS. Tecton: # ESP010521P, "Test Results for Fibrex and Ultrex".
Plastics Engineering Handbook of the Society of Plastics Industry, Inc. Fifth Edition. Andersen Fibrex Manual: "A High
Performance, High Value Biofiber Polymer Composite Technology". Renewal By Andersen: "Fibrex Material: A Better
Alternative, A Better Window".
* Highest rate of thermal conductivity shown. Test results range from .10 - .13 for vinyl/wood composite (Fibrex) and
.09 - .12 for Ultrex.
At Infinity from Marvin®, we understand that purchasing replacement windows is a significant investment and can be stressful. That's why our expert installing retailers take care of every step in the replacement process for you, ensuring your replacement project is simple and hassle-free.
Take a few minutes to watch our video and learn more about what makes Infinity from Marvin different. The video will show you:
Do Your Research
Five Point Proof
Styles and Options
Read what past customers had to say about their Infinity experience and submit a review about your own experience.
Take a few minutes to watch our videos and learn about what makes Infinity different from Marvin.
Explore the many customization options available with Infinity Windows, and design one that’s perfect for your space.
Even though Infinity products are built to last, they are still covered by a limited lifetime warranty. Because sometimes, life happens.