Fiberglass windows & doors

Protection and durability

Fiberglass is a tough, weather-resistant material. We use it to keep exteriors maintenance-free and combine it with beautiful wood interiors. The combination of these materials make our windows and doors rigid yet lightweight for easy operation.

Interested in windows featuring fiberglass? Check out the Andersen A-Series line of products.

Dark brown Andersen A-Series fiberglass window

A-Series

Awning

A-Series

$$$$$
A-Series Awning window interior wood product shot
  • Weather-resistant design makes this our best-performing awning
  • Wide array of style options including factory-finished wood interiors for architectural authenticity
  • Triple-pane glass options provide exceptional energy efficiency
Black
white color swatch option for andersen windows
Dark Bronze
+8
View product

Casement

A-Series

$$$$$
A-Series Casement window wood interior product shot
  • Weather-resistant design makes this our best-performing casement
  • Wide array of style options including factory-finished wood interiors for architectural authenticity
  • Triple-pane glass options provide exceptional energy efficiency
white color swatch option for andersen windows
Black
Dark Bronze
+8
View product

Double-hung

A-Series

$$$$$
A-Series Double-hung window wood interior product shot
  • Our best-performing double-hung.
  • Wood protected by fiberglass and Fibrex® composite material.
  • Designed for architectural authenticity.
  • Standard sizes up to 4' wide and 8' high. Custom sizes available.
white color swatch option for andersen windows
Black
Dark Bronze
+8
View product

Fiberglass windows & doors ideas and inspiration

Tips

How getting replacement windows works

Ready to say goodbye to your old windows but not sure how a window project works? You’ve come to the right place! We’re here to explain the major milestones in a window replacement project. 
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Tips

3 steps to choosing the right windows

Need some help narrowing down your options? We can help you start thinking through your needs and aesthetic preferences to create a vision for your new windows.
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Two children play shuffleboard in a walkout basement with wood floors and a row of five picture windows behind them.

Tips

How to pick out basement windows

Whether you’re looking for an egress window or trying to fit a window into a basement without a lot of above-ground wall space, we’ve got the advice you seek.
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100 Series Video Windows Matter

Why materials matter

Materials are one way that we've led the industry in innovation.  Explore the ways we use different materials and find out why.


Explore materials

The Andersen Difference

Whether you're renovating your home or building from the ground up, we've got what you're looking for. When you choose Andersen, we not only provide you with high-performing, dependable products, we support them with exceptional service. New windows and doors can be a major investment, but if you choose wisely, you're rewarded with better light, comfort, added security and energy efficiency. When it comes to making such an important decision, make sure you go with a brand you can trust.

Discover the Andersen Difference
Exterior of home with Andersen fiberglass windows

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