(720) 573-2230
Houston, TX: 
(832) 621-3030
(720) 573-2230
Houston, TX: 
(832) 621-3030

Pella Impervia Fiberglass Casement Windows

The Pella Impervia Fiberglass Casement Window is an excellent pick for homeowners looking to add value to their homes. This window has a double-pane glass design, providing outstanding energy efficiency and natural light to help keep your home comfortable all year.

With a wide range of casement window styles, the Pella Impervia offers clean and contemporary styles for today's homes.

The low-maintenance design of these windows is perfect for high-moisture coastal areas and harsh winters. These low-maintenance surface features also make these fiberglass windows easier to clean and care for over the life of the window.

With an exclusive air infiltration barrier and a thermal break, this window helps reduce air leakage by up to 50 percent, which can help reduce your heating and cooling costs over time. And with an air infiltration rating of 0.17 CFM50, these windows do a perfect job of keeping warm air inside in winter and extreme heat outside in summer.

Considered the industry standard for decades, the Pella Impervia Fiberglass Casement Window delivers unmatched strength and durability. Its stainless-steel frame thickness of at least 2 inches is made of the strongest material for windows, engineered to be incredibly resistant to problems such as weathering, cracking, and corrosion.

And, with a possible load capacity of up to 1,200 pounds, this Impervia Fiberglass Casement Window is perfect for residential applications. If you're looking for an affordable option built to last, this Pella casement window is an excellent choice.

Key Features

  • Advanced Low-E Insulating Double-Pane Glass with Argon: For enhanced energy efficiency and reduced heat transfer
  • Color-Matched Metal Screen Frames with Fiberglass Mesh: The ultimate in style and beauty
  • Corrosion-Free and Rust-Free Stainless Steel Operating Arm and Hinges: For maximum longevity and years of reliable performance
  • Foam-Filled Sash and Frame: For the highest Energy Star-rated efficiency
  • 1-Section, 2-Section, and 3-Section Casement Window Designs: For the ultimate design versatility and flexibility
  • Non-Corrosive Dual Nylon Rollers and Housings: For easy window operation and maintenance
  • Three-Way Reinforced Frame Corners: For increased durability and strength
  • Limited Lifetime Warranty (Glass components 20 years/Non-Glass components 10 years)

Get in Touch for a Free Consultation

At CMC Windows and Doors, we truly believe in the benefits of choosing the right windows and patio doors for your home. And with the Pella Impervia Window line, you can reap all the benefits of a high-quality window installation. A fresh update to your windows and exterior doors with a Pella casement window can raise the value of your home significantly, improve its curb appeal, and provide your family with enhanced safety and comfort. 

Pella is renowned as an industry leader dedicated to craftsmanship and quality. We're proud to offer all our customers full installations of the Pella Impervia Fiberglass Casement Window, including new trim, staining, and painting.  

When you work with CMC Windows and Doors, you're working with the best. Our expert designers work with you one-on-one to understand your unique wants and needs and provide you with all the window options, from single-hung and double-hung windows to casement and awning windows. Your project will begin with a no-obligation consultation, followed by a measurement and project estimate when we have answered all your questions.

For more information on our Pella Impervia Fiberglass Casement Window products, or if you have specific questions about our company or services, contact us today.


6950 S Tucson Way suite O, Centennial, CO 80112

Phone: (720) 573-2230


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