The Pella® Impervia® line couples style with strength in fiberglass windows and patio doors that, as the name infers, are impervious to nearly all types of weather.
Impervia’s durability comes from Duracast®, our special fiberglass composite. It’s one of the strongest and most well-built materials in the market for fiberglass windows and patio doors1. Duracast stands up to weather from severe heat to frigid cold, making Pella Impervia windows and exterior doors great for all regions.
The impressive insulating qualities of our fiberglass replacement windows and patio doors enhance your home’s coziness and help save on energy. Optional foam-insulating frames may be installed 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 stays looking great for the long haul—inside and out—with little upkeep. With many colors to select, you’ll find windows and patio doors to complement your home’s look, inside and out. Our environmentally friendly paint process virtually eliminates toxic chemicals, helping the air inside your room stay healthy.
Pella Impervia features quality that stands up and beauty that stands out. And to top things off, they are supported by our limited warranty—one of the most thorough in the industry.2