What Is Fibrex Composite Window anyway?

Andersen Fibrex 100-series-single-hung-interior-beauty


Andersen Fibrex windows are a type of energy-efficient window made by the Andersen Corporation. They are constructed using a unique composite material called Fibrex, which is a combination of wood fibers and thermoplastic polymer.

Fibrex is a material that has the strength and durability of wood, but with the low-maintenance and energy-efficient properties of vinyl. 

What is the Fibrex advantage?

Andersen Fibrex 100-series-picture-exterior-beauty


  1. Energy efficiency: Fibrex windows have a high insulation value, which helps to reduce heating and cooling costs by keeping the interior temperature of your home more stable.

  2. Durability: Fibrex is resistant to rot, decay, and insect damage, which makes it a long-lasting material that requires minimal maintenance.

  3. Sustainability: Fibrex is made from recycled materials, which makes it an environmentally-friendly choice.

  4. Aesthetics: Fibrex windows have a clean, modern look that can enhance the appearance of your home.

Color Options You Normally Would Not Get

A special process Andersen does for a beautiful color window is combining the color of choice with the Fibrex materials during production. This results in windows that will not rot, decay, flake, blister or peel like normal paint will over time.

Two Types of Styles to Choose From

Andersen Fibrex 100 series

100 Series 

Overall, Andersen 100 Series Fibrex Windows offer a combination of energy efficiency, durability, sustainability, and aesthetics that make them a popular choice for homeowners looking for a low-maintenance and long-lasting window option.


Andersen Fibrex A-series-double-hung-interior-beauty


Here are some of the key features and benefits of Andersen A-Series windows:

Energy Efficiency: Andersen A-Series windows are designed with energy efficiency in mind, and they are ENERGY STAR certified. They are available with Low-E glass options that help to keep your home comfortable and energy-efficient.

Durability: Andersen A-Series windows are built to last, with durable materials that resist weathering, rot, and insect damage. They are also available with impact-resistant glass options for added protection in severe weather conditions.

Customization: Andersen A-Series windows are available in a wide range of styles and configurations, including casement, awning, double-hung, and more. They are also available with a variety of hardware and grille options to customize the look of your windows.

Sound Reduction: Andersen A-Series windows are designed to reduce outside noise, making your home a more peaceful and comfortable place to live.

Low Maintenance: Andersen A-Series windows are easy to clean and maintain, with durable materials that don’t require painting or staining.

Warranty: Andersen A-Series windows come with a limited warranty that covers the frame and glass for 20 years.


Builders Surplus is a renovation company that provides full-service renovation services in Louisville and Florence Kentucky, as well as Cincinnati, Ohio.  We are the leading provider of Andersen Windows in these areas.  Our areas of expertise include interior design, kitchen design, bathroom remodeling, building materials, and home improvement. We offer free interior design services and measurements to our clients. Our building materials range from budget-friendly options like unfinished kitchen cabinets to high-end Wellborn cabinets. We also provide installation services for our products. If you have any questions or would like to schedule a free design consultation with one of our interior designers, please don’t hesitate to contact us. We are passionate about sharing our knowledge with clients and aspiring home renovators. We regularly write articles on interior design, home décor, decorating ideas, and home improvement. Stay tuned for our next article and happy renovating!