Explore energy-efficient Impervia fiberglass windows, delivering strength & long-lasting durability with proven performance & sleek style.

Shop the unmatched strength and sleek style of Impervia windows, available at Lowe's. These fiberglass windows are durable in any weather condition.

Pella Impervia products are designed to resist air and water infiltration. Our fiberglass has virtually the same expansion and contraction as the glass, almost none.

Shop Pella Impervia Series 35-1/2-in x 47-1/2-in Brown Exterior Fiberglass New Construction Single Hung Window Dual-pane Double Pane Glass (Half Screen Included) in the Single Hung …

Pella® Impervia® windows and patio doors feature a low-maintenance, durable powder-coat paint finish. Our long-lasting powder-coat finish resists chipping and fading so you never need to …

Pella Impervia windows are made from a proprietary fiberglass called Duracast, designed for extreme durability and low maintenance. They come in styles like double-hung, casement, …

For added strength, durability and reliable water performance, Pella Impervia products feature corner locks and sashes injected with sealant and fastened with screws.

Engineered for unmatched strength and lasting durability with proven performance and sleek style, shop Pella Impervia fiberglass windows online.

With a heavy-duty, powder-coat finish, Pella fiberglass windows and patio doors resist chipping, chalking and fading — so you never need to paint or refinish.

Engineered for the rigorous performance requirements of a commercial building, Pella Impervia patio doors provide outstanding resistance to water, wind and outside noises.