C&T Siding & Windows has provided professional window replacement and window installation services across Western Wisconsin and Eastern Minnesota since 1978. We specialize exclusively in Infinity® by Marvin® Ultrex® fiberglass windows, a premium window system engineered for durability, energy efficiency, and long-term performance in Midwest climates.
As a certified Infinity by Marvin dealer, we focus on one proven window product and install it the right way every time. Ultrex fiberglass is eight times stronger than vinyl, resists expansion and contraction, and helps maintain a tight, weathertight seal through extreme temperature swings.
Combined with our experienced installation team and proven installation process, our replacement windows are built to perform for decades.
Contact us today to get started!
A Straightforward Window Replacement Process
Replacing your windows is a major investment in your home. Our process of window replacement process in Western Wisconsin and Eastern Minnesota is designed to be clear, efficient, and stress-free from start to finish.
In-Home Consultation and Measurement
A knowledgeable window consultant meets with you in your home to take precise measurements and discuss your goals, style preferences, and energy efficiency needs. This ensures your new windows are tailored to your space and your priorities.
Window Design and Product Selection
We help you select the right Infinity by Marvin window styles, configurations, colors, hardware, and glass options. Homeowners can explore samples and visit our showroom for hands-on decision-making, making it easier to choose windows that complement their home.
Professional Window Installation
All installations are completed by professional window installers. Our team protects your home, maintains a clean worksite, and follows manufacturer best practices to ensure long-term performance and warranty protection.
Final Walkthrough and Project Completion
Once installation is complete, we finish all trim work, complete a thorough cleanup, and walk through the project with you to confirm everything meets our standards and yours.
Window Styles Designed for Your Home
Infinity by Marvin Ultrex fiberglass windows are available in a wide range of styles to fit your home’s layout, architecture, and ventilation needs. Options include double-hung windows, casement windows, sliding windows, awning windows, bay windows, bow windows, and custom shapes, all built specifically for your space.
Each replacement window is professionally installed to ensure proper fit, energy efficiency, and long-term durability.
Why We Install Ultrex® Fiberglass Windows
Infinity by Marvin Ultrex fiberglass windows are engineered for strength, stability, and longevity. Unlike vinyl windows, Ultrex fiberglass resists warping, swelling, and expansion, helping your windows maintain their seal, appearance, and energy performance over time.
The durable acrylic finish resists fading and chalking, even after years of sun exposure. Every window is backed by a Limited Lifetime Warranty, providing long-term peace of mind for homeowners.
With customizable sizes, interior and exterior colors, hardware finishes, and advanced glass options, Infinity windows allow you to balance performance, energy efficiency, and design without compromise.
Trusted Window Replacement Experts Since 1978
For more than 45 years, homeowners have trusted C&T Siding & Windows for reliable window replacement in Western Wisconsin and Eastern Minnesota. As a family-owned and operated company, we are committed to quality workmanship, clear communication, and products chosen specifically for long-term performance in our region.
When you choose C&T Siding & Windows, you are choosing a company that installs one proven window system with precision, consistency, and care every time.
Contact C&T Siding & Windows today for more information about how we can help you.
