Pella® Impervia® Series Windows and Doors

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

Impervia’s toughness comes from Duracast®, our unique fiberglass composite. It’s one of the sturdiest and most durable materials in the market for fiberglass windows and patio doors1. Duracast resists weather from extreme heat to frigid cold, making Pella Impervia windows and exterior doors great for all climates.

The impressive insulating qualities of our fiberglass replacement windows and patio doors enhance your home’s coziness 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 are delivered prefinished with a factory powder-coat finish that stays looking great for the long haul—inside and out—with little upkeep. With a wide selection of colors to select, you’ll find windows and patio doors to complement your home’s design, inside and out. Our environmentally friendly paint process practically removes toxic chemicals, helping the air inside your house stay chemical-free.

Pella Impervia offers quality that stands up and beauty that stands out. Also, to top things off, they are secured by our limited warranty—one of the best in the industry.2

Pella® Impervia® Series
Pella® Impervia® Series Catalog

Available Window Styles

Available Door Styles

Click below to set up a free, in-home consultation or stop by your convenient Pella showroom to look at 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.
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