Create sleek designs featuring slim profiles and more visible glass with our exceptionally strong fiberglass.
Pella impervia window sizes.
A fiberglass composite sharing the same properties of strength durability and temperature resistance as materials used in the aerospace industry.
Design data available for egress vent opening clear opening visible glass and frame area.
Sizes and shapes pella impervia double hung window.
Add transoms or adjacent windows for flexible combinations.
Pella impervia casement windows open and close with the turn of a crank.
Design data available for egress vent opening clear opening visible glass and frame area.
Built to order in 1 4 increments.
A wide variety of window sizes with both fixed and operable shapes including custom capabilities to fit most any project.
Built to order in 1 4 increments.
Pella impervia windows are made from pella s patented five layer engineered duracast fiberglass composite.
Built to order in 1 4 increments.
If you need a size beyond the maximum and minimum sizes shown in the chart below please contact your local pella representative to discuss additional options.
And with a durable powder coat finish pella impervia casement windows deliver a timeless long lasting look.
Sizes and shapes pella impervia single hung window.
Sizes and shapes pella impervia casement window.
Add transoms or adjacent windows for flexible combinations.