a large white farmhouse whose windows are reflecting the orange sunset

Pella® Impervia® Windows

Fiberglass windows delivering unmatched strength, lasting durability and sleek, timeless style.48

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

  • Double-Hung

  • Single-Hung

  • Casement

  • Awning

  • Sliding Window

  • Picture


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.