The Pella® Impervia® line couples style with strength in fiberglass windows and patio doors that, as the name implies, are impervious to almost all types of weather.
Impervia’s durability comes from Duracast®, our unique fiberglass composite. It’s one of the strongest and most well-built materials available for fiberglass windows and patio doors1. Duracast stands up to conditions from extreme heat to freezing cold, making Pella Impervia windows and exterior doors exceptional for all seasons.
The outstanding insulating features 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 the long haul—inside and out—with little maintenance. With a wide selection of colors to select, you’ll find windows and patio doors to reflect your home’s look, inside and out. Our environmentally friendly paint process practically removes toxic chemicals, helping the air inside your house stay chemical-free.
Pella Impervia brings quality that stands up and beauty that stands out. Also, to top things off, they are backed by our limited warranty—one of the most thorough in the industry.2