Pella® Impervia® Windows
Fiberglass windows delivering unmatched strength, lasting durability and sleek, timeless style.48
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Why Choose Pella Impervia Windows?
Lasting durability with beauty and energy efficiency.
Rot- and corrosion-free. Our durable fiberglass will never rot or corrode, is naturally resistant to water and bugs and virtually maintenance free.
No painting or refinishing. A tough powder-coat finish resists chipping, chalking and fading — so you never need to paint or refinish.
Tested to withstand harsh conditions. Pella’s proprietary, low-maintenance fiberglass is tested to withstand some of the harshest conditions, including extreme heat and sub-zero cold, damaging UV rays and seacoast environments.16
![a pickup truck is hanging between two forklifts to demonstrate the strength of Pella's fiberglass]()
Why Choose Pella Impervia Windows?
Made of our exclusive fiberglass, the strongest material for windows.48
Strong enough to lift a heavy-duty truck. To prove the lasting strength and durability of our proprietary fiberglass, we attached four Pella fiberglass window lineals to the tow hooks and hitch and lifted a 6,600-pound heavy-duty pick-up truck into the air
![A three-season room with tall casement windows on each wall]()
Why Choose Pella Impervia Windows?
Sleek, timeless style.
Versatile styling. Pella Impervia windows and patio doors feature an up-to-date color palette, including Black, and grilles-between-the-glass to achieve the look and feel you desire.
Sleek profiles and more glass. Create bold designs from sleek profiles and more glass with our intentionally designed products made from our exceptionally strong proprietary fiberglass.
Award winning hardware solution. The revolutionary Easy-Slide Operator hardware allows you to simply slide to open your window without the effort of cranking on casement and awning windows.
![three double-hung windows over a brick window seat]()
Why Choose Pella Impervia Windows?
Exceptional year-round performance.
ENERGY STAR® performance. Pella Impervia products help create a comfortable home with energy-efficient options that will meet or exceed ENERGY STAR guidelines in all 50 states.1
Optional energy-efficient upgrades. Further improve energy efficiency in extreme climates with optional foam-insulated frames and triple-pane glass. Triple-pane glass is only available on awning, casement and direct set windows.
Design Your Own Pella Impervia Window
Choose one of the available styles to begin.
Shop Online
Explore select Pella windows, patio doors, entry doors, storm doors, and accessories on Lowes.com.
Work with an Expert
Get advice from a Lowe’s project specialist with a free consultation. They will answer your questions, measure your windows and doors, discuss installation and financing options and provide you with a free quote.
Features and Options
Window Styles
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Double-Hung
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Single-Hung
![]( "Casement")
Casement
![]( "Awning")
Awning
![]( "Sliding Window")
Sliding Window
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Picture
Resources
Enjoy Satisfaction for Years to Come
Pella® fiberglass windows and patio doors are backed by the Pella Limited Lifetime Warranty – one of the best warranties in the business. See written warranty for complete details.
Pella is Passionate About Quality
Pella has a steadfast commitment to quality – going beyond what meets the eye.
Looking for Installation Guides?
Get answers to your installation questions in our comprehensive Pella window and door installation guides.
