Pella® Impervia® Series Windows and Doors

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

Impervia’s strength comes from Duracast®, our special fiberglass composite. It’s one of the toughest and most durable materials obtainable for fiberglass windows and patio doors1. Duracast resists conditions from severe heat to freezing cold, making Pella Impervia windows and exterior doors excellent for all regions.

The impressive insulating qualities of our fiberglass replacement windows and patio doors improve your home’s livability and help conserve energy. Optional foam-insulating frames may 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 many colors to choose from, 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 house stay chemical-free.

Pella Impervia features quality that stands up and beauty that stands out. Plus, to top things off, they are secured 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 complimentary, in-home consultation or visit your nearby Pella showroom to check out these windows and patio doors in detail.





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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