We offer a range of windows to suit all needs and budgets. Our fiberglass and vinyl windows are hand-picked to perform well in Michigan’s harsh climate, and come with a lifetime warranty. We offer only top-quality, energy-efficient windows that add beauty, value, security and comfort to your home. Customizable options include styles, colors, hardware, grids, glass packages and more. Our free, no-pressure in-home consultation can help you choose the best window for your home.

Fiberglass Windows

Our fiberglass windows offer unmatched elegance and beauty paired with strength and longevity for a look and feel like no other. Our FiberFrame windows are manufactured in Toledo, Ohio by Comfort Line LTD. Comfort Line has been making windows since 1959 and introduced the first fiberglass window made in the U.S. in the 1980s. Fiberglass is a durable, energy-efficient, low-maintenance material superior to other window materials in many ways.  

*Strength

FiberFrame pultruded fiberglass frames offer strength up to 8x stronger than vinyl, 3.5x stronger than wood/vinyl composites, and 2x stronger than aluminum. FiberFrame windows are commercially rated and tested. These stronger frames can hold a heavier load without sacrificing performance or affecting weather resistance allowing for larger window openings that will stay true to form and operate flawlessly for a lifetime.

*Energy Efficiency

Fiberglass is a naturally insulating material that will not conduct heat or cold inside your home. Paired with top-quality weather stripping, standard LoE Argon-filled insulated glass packages, the best hardware available, and near-zero thermal expansion our fiberglass windows will keep your home comfortable and secure. Leading the industry in energy efficiency, you can rest assured that your new windows will keep the outside weather where it belongs, outside!

*Stability

FiberFrame fiberglass windows offer exceptional energy efficiency with low thermal conductivity and minimal thermal expansion. Made of a natural insulator, fiberglass transfers heat and cold 500x less than aluminum and remains a true fit with silica-based glass. Fiberglass is durable, resisting rot, rust, warping, cracking, and splitting for a lifetime of performance.

*Endless Designs

FiberFrame windows feature a long-lasting Sherwin Williams finish that meets AAMA 623 standards and protects against harmful UV rays. Choose from 8 standard colors or from any Sherwin-Williams color. You can have matching or contrasting interior and exterior colors, or opt for a real oak veneer pre-finished in your desired stain color. Customize with grids, grilles, divided lites, hardware colors, and more.

Available window types:

Double Hung, Two Lite Slider, Casement, Awning, Picture window, Bay, Bow, Specialty Shapes.

Contact us today for a Free In-Home Estimate. 1-800-434-8810

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