Revolutionary Pella® Impervia® products offer the perfect combination of beauty, performance, and durability. Made from Pella's patented fiberglass composite called Duracast, Pella Impervia windows can take almost anything Mother Nature or your family can dish out.
Performance for year-round comfort
Able to withstand extreme heat and intense cold, Pella Impervia windows are
suited for all climates. In fact, they meet the highest industry standards for
air and water infiltration and wind resistance.
Energy efficient to save money
The outstanding insulating properties of Duracast® make Pella Impervia windows
highly energy-efficient and ENERGY STAR compliant.
Unsurpassed strength and durability
Made of Duracast — the strongest, most durable material available in windows
Prefinished for your convenience
Pella Impervia windows arrive with a durable finish in White, Tan or Brown that
closely resembles painted wood and is virtually indestructible.
Beautifully Convenient
Closely resemble a quality painted wood window - they don't have the shiny look
of vinyl.
Integrated crank hardware with fold away handles
Casements available in one, two or
three section sliders.
Foam filled frame and sash
Full screens
