Marvin Essential Collection® is a line of fiberglass replacement windows and patio doors designed by the experts at Marvin Windows and Doors. Created for the homeowner who wants low-maintenance, energy efficiency and traditional beauty, all Infinity products are sold by local window replacement experts as a complete, installed package to provide you with a high-quality, hassle-free experience.
When considering window replacement, you’re demonstrating the pride and commitment to the investment you made in your home. As you research, consider the following to make the right choice:
Choose a brand recognized as a leader. Infinity products represent nearly a century of innovation and uncompromising performance — the legacy of Marvin Windows and Doors.
Choose replacement windows and doors made in custom sizes with options and features that meet your expectations. Infinity from Marvin’s thoughtful designs, appearance, and options allow you to match the style of your home.
Choose windows and doors that are durable and will stay weathertight. Infinity products are made from patented Ultrex® pultruded fiberglass. Ultrex is so much stronger and superior than other materials, we back our products with a limited lifetime warranty.
Ultrex is as strong as low carbon steel and 8x stronger than vinyl. It’s so tough we have to use diamond-edge blades just to cut it to size. The strength of Ultrex translates into superior stability, long-term ease of operation, low-maintenance, and superior performance