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Infinity high-quality Ultrex® fiberglass replacement windows and patio doors are designed to look like traditional wood windows and doors, but with low-maintenance, long-lasting, performance.
Lacina Siding & Windows Inc 1312 7th St N.W. Suite 102 Rochester, MN 55901 (507) 788-0971
"We attended the Spring Home Show and looked into 3 different brands of windows. We did our research and were most impressed with Infinity from Marvin. Not only because of the window itself but also because they could match the oak floors, trim, and oak cabinets. Not only did they match it but it looks incredibly beautiful. We chose to add the bow window. It was perfect. Steve was a knowledgeable and sincere salesman. The service was incredible, the installers, more incredible. The team sent up here were meticulous about every fine detail of the installation and very thoughtful about our time, home and space. And...the windows are fantastic. Good investment. Highly recommend them over other name brands."
Skip and Robin
Infinity windows are custom-built for your home with Ultrex® fiberglass to strike the perfect balance between performance and design.
The Infinity Single Hung features a fixed top sash and a bottom sash that moves up and down.
Move the top and bottom of the Infinity Double Hung for more ventilation in your home.
Smooth rolling operation allows you to easily glide the Infinity Slider open from side-to-side.
The Infinity Casement is hinged on the side of the frame to swing outward for maximum views.
Hinged on top of the frame to swing outward, the Infinity Awning is perfect for a tight spot.
Capture light from three angles with the Infinity Bay.
Open up any room with an Infinity Bow.
Add light and style above any window or door with the Infinity Round Top.
Infinity Special Shapes add visual interest or complement existing windows.
Infinity doors offer durable Ultrex fiberglass performance combined with thoughtful design features that improve your view.
This traditional favorite complements nearly every home with classic aesthetics that never go out of style.
Turn a fixed bedroom window into a double hung and enjoy two window sashes that open for more ventilation.
Smooth rolling operation allows you to open quickly and easily to outside - perfect for larger size windows from your kitchen to your porch.