Fiberglass Windows

Pella offers high-performing, low-maintenance fiberglass windows that have the quality look of painted wood. Our durable, patented fiberglass composite can withstand extreme heat and subzero cold. And, they are highly energy efficient. Explore each of our fiberglass window styles below.

Fiberglass Pella Impervia

Pella® Impervia®

Incredibly strong fiberglass

  • Duracast® ‒ the strongest, most durable material available in windows. 16
  • Excellent Performance.
  • Exceptional energy efficiency.

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Fiberglass Pella Impervia PRODUCT OVERVIEW

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The Right Product for You

THE RIGHT PRODUCT FOR YOU

At Pella, we know how big of a decision buying windows can be and that the experience isn’t one-size-fits-all. That’s why we are committed to understanding the unique needs of you, your home and what feels most comfortable for your budget—helping find the right products you can feel good about.

Worry Free

NO MESS, NO GUESS INSTALLATION DAY

At Pella, we believe installation is everything. That is why our certified experts are specially trained to install Pella windows and doors and know the product inside and out. They are committed to being with you from start to finish and beyond, ensuring product satisfaction and leaving your home cleaner than they found it.

Total Care Guarantee

PELLA CARE GUARANTEE

At Pella, our windows are designed with passion, innovated with purpose, built with integrity and backed by the industry’s best warranties. From product to installation to service, our warranties are designed to give you peace-of-mind that if something goes wrong, we’ll be there. 

Step by Step Process

SIMPLE STEP-BY-STEP PROCESS

At Pella, we want the replacement process to be an easy journey to expressing your personal style within your home. That’s why our Pella advisors will be by your side offering expert advice every step of the way. From color to materials to hardware, and every detail in between, they are committed to creating a seamless experience to bring your vision to life.

Explore the Pella Promise

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