- Made from patented Duracast® fiberglass composite.
- Withstands extreme heat and cold.
- Beautiful low-maintenance durable powder-coat finish that lasts for years.
Fiberglass Casement Window
45% off qualifying installations1,3
0% APR for 48 months2,3
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Replacing, remodeling or building a new home? Pella offers a variety of sizes to fit most any project. Choose from a wide range of standard sizes or we can build products to fit your specifications.
Built to order in 1/4" increments for a precise fit.
Need help figuring out the size you need? Contact Pella
The cost of each window or door can vary significantly based on many factors, such as your choice of size, frame material, glass type, finish options, etc.
Pella products are backed by some of the best warranties in the business.
Pella® Impervia® Fiberglass Casement Window Product Details
|Pella products offer the energy-efficient options that will meet or exceed ENERGY STAR® guidelines in all 50 states.1|
|Pella’s InsulShield® energy-saving technology can make a major difference in your home’s comfort and energy use.|
Join a window together with other windows to add character to your home's design. Additional combinations are available. See your Pella sales representative for the complete offering.
Options for Pella® Impervia® Casement Window *
Universal Security Sensors
Stay connected to your windows.
Preserve beauty, add comfort and enhance home security with optional Pella Insynctive® technology.
Grilles give the appearance of individual window panes. Pella offers many grille patterns to help enhance your home’s architectural style.
Conventional Fiberglass Screens
Pella's high-transparency screens are made of a finer screen fabric than conventional screens for a clear view that allows more air and natural light to flow into your home.
Pella InView™ screens let in 14% more light and are 8% more open for improved airflow compared to conventional fiberglass screens. 5
Pella's InsulShield® glass collection offers our most innovative and energy-saving choices for your climate. More Details »
Advanced Low-E Insulating Glass with Argon7
AdvancedComfort Low-E Insulating Glass with Argon7
Northern U.S. climates
SunDefense Low-E Insulating Glass with Argon7
Hot, sunny climates
NaturalSun Low-E Insulating Glass with Argon7
Extremely cold climates
Fiberglass Casement Window Customer Ratings & Reviews
Average Customer Rating in the past 12 months*
818 ratingsbased on
*Due to individual digital monitor limitations, colors may vary from those shown. To confirm your color choices, contact your local Pella sales representative or visit your local Pella Window and Door Showroom.