Pella® Impervia® Series Windows and Doors

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

Impervia’s durability comes from Duracast®, our unique fiberglass composite. It’s one of the toughest and most reliable materials in the market for fiberglass windows and patio doors1. Duracast defends against conditions from intense heat to freezing cold, making Pella Impervia windows and exterior doors excellent for all climates.

The superior insulating qualities of our fiberglass replacement windows and patio doors enhance your home’s comfort and help conserve energy. Optional foam-insulating frames could be included on these ENERGY STAR®-certified windows and patio doors.

Pella Impervia windows and sliding patio doors come prefinished with a factory powder-coat finish that maintains its looks for the long haul—inside and out—with little care. With a wide selection of colors to select, you’ll find windows and patio doors to complement your home’s style, inside and out. Our environmentally friendly paint process practically removes toxic chemicals, helping the air inside your home stay healthy.

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

Impervia Series dining room windows
Pella® Impervia® Series Catalog

Available Window Styles

Available Door Styles

Click below to plan a complimentary, in-home consultation or come by your nearby Pella showroom to check out these windows and patio doors up close.





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.
Live Chat
I can help with your window or door replacement questions.