The 100 Series is built from Andersen's exclusive Fibrex® material — a composite of roughly 40% reclaimed wood fiber and 60% thermoplastic polymer. It's twice as strong as vinyl, resists fading, and holds dark colors beautifully, giving you a clean, modern window at a smart price.
Emerald City Energy is an authorized Andersen installer serving the Puget Sound since 1997 — here's what sets the Andersen 100 Series apart.
Fibrex frames are rigid and durable, allowing slimmer profiles and more glass than ordinary vinyl windows.
Unlike vinyl, Fibrex holds rich, dark exterior colors without warping or fading in the Northwest sun.
Insulating frames and High-Performance™ Low-E4® glass help cut energy bills and block UV.
Fibrex reuses wood fiber that would otherwise be waste — strength with a smaller footprint.
A range of operating styles to fit every room, view, and architectural look — all installed by Emerald City Energy.







Not sure which line is right for your home? Here's the full Andersen lineup at a glance.
| Series | Material | Best for | Price tier |
|---|---|---|---|
| 100 Series | Fibrex® composite | Modern, low-maintenance, value | $$ |
| 200 Series | Wood / vinyl exterior | Affordable real-wood warmth | $$ |
| 400 Series | Wood / Perma-Shield® | Best overall — most popular | $$$ |
| A-Series | Composite / wood | Best performance & architecture | $$$$ |
| E-Series | Wood / aluminum | Maximum customization | $$$$$ |
Fibrex is Andersen's patented composite made of about 40% reclaimed wood fiber and 60% thermoplastic polymer. It combines the strength and insulating value of wood with the low maintenance of vinyl, and it's roughly twice as strong as vinyl alone.
For most homeowners, yes. Fibrex frames are stronger and more rigid than vinyl, allow slimmer sightlines with more glass, and hold dark colors without the warping or fading common to vinyl — all at a comparable price point.
The 100 Series offers a curated palette of interior and exterior colors, including popular dark shades like black and bronze that Fibrex can hold long-term without fading.
Yes. 100 Series windows can be configured with Andersen's High-Performance™ Low-E4® glass and meet ENERGY STAR® guidelines for our Northern climate zone, helping lower heating and cooling costs.
Yes. We're an authorized Andersen installer serving Seattle, Tacoma, Bellevue, and the greater Puget Sound. Every installation is handled by our own trained crews and backed by our workmanship guarantee.
Still have questions? Request a free quote or call (425) 228-1792.
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