Fiberglass windows & doors

Dark brown Andersen A-Series fiberglass window

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.

A-Series

A-Series Awning Window
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A-Series Awning Window
A-Series awning windows
A-Series awning windows

A-Series

Awning Window
$ $ $ $ $
  • 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
A-Series Casement Window
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A-Series Casement
A-Series casement windows
A-Series casement windows

A-Series

Casement Window
$ $ $ $ $
  • 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
A-Series Double-Hung Window
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A-Series double-hung window exterior
A-Series double-hung window interior photo
A-Series double-hung windows

A-Series

Double-Hung Window
$ $ $ $ $
  • Our best-performing double-hung
  • Wood protected by fiberglass and Fibrex® composite material
  • Stained and painted wood interiors offer architectural authenticity
A-Series picture window interior
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A-Series Picture Window
A-Series picture window interior photo
A-Series picture windows

A-Series

Picture Window
$ $ $ $ $
  • Our best performing picture window
  • Wood protected by fiberglass
  • Beautiful wood options for architectural authenticity
A-Series Gliding Patio Door
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A-Series Gliding Door
A-Series Gliding Patio Door
A-Series gliding patio door

A-Series

Gliding Patio Door
$ $ $ $ $
  • Our best-performing gliding patio door
  • Six interior wood options, available either stained or painted, protected by fiberglass exterior
  • Single panel, 2-panel, 3-panel and 4-panel configurations available
A-Series Hinged Patio Door
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A-Series Hinged Door
A-Series hinged patio door
A-Series hinged patio door

A-Series

Hinged Patio Door
$ $ $ $ $
  • Maximizes space with the ability to open into a room or outward to best fit your home's layout
  • Six stained or painted interior wood options protected by fiberglass exterior
  • Single panel, 2-panel, and 3-panel options
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
Exterior of home with Andersen fiberglass windows

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