Pella® Impervia® Series Windows and Doors

The Pella® Impervia® line couples style with strength in fiberglass windows and patio doors that, as the name suggests, are impervious to nearly all types of weather.

Impervia’s durability comes from Duracast®, our patented fiberglass composite. It’s one of the strongest and most durable materials available for fiberglass windows and patio doors1. Duracast stands up to weather from intense heat to frigid cold, making Pella Impervia windows and exterior doors great for all climates.

The impressive insulating properties of our fiberglass replacement windows and patio doors improve your home’s comfort and help reduce energy use. Optional foam-insulating frames could be added to these ENERGY STAR®-certified windows and patio doors.

Pella Impervia windows and sliding patio doors arrive prefinished with a factory powder-coat finish that stays vibrant for years—inside and out—with little care. With an array of colors to explore, you’ll find windows and patio doors to complement your home’s design, inside and out. Our environmentally friendly paint process practically eliminates toxic chemicals, helping the air inside your home stay clean.

Pella Impervia offers quality that you can count on and beauty that stands out. Also, to top things off, they are supported by our limited warranty—one of the strongest in the industry.2

Impervia Series
Pella® Impervia® Series Catalog

Available Window Styles

Available Door Styles

Click below to schedule a free, in-home consultation or stop by your local Pella showroom to check out these windows and patio doors in person.





1In testing performed in accordance with ASTM testing standards. Duracast® fiberglass composite from Pella has displayed superior performance in strength, ability to withstand heat and cold, and resistance to dents and scratches.
2Based on comparing written limited warranties of leading national wood window and wood patio door brands. See Pella written Limited Warranty for details, including exceptions and limitations, at pella.com/warranty, or contact Pella® Customer Service at 877-473-5527.
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