Fiberglass Windows

Pella® Impervia Windows

Pella® Impervia Windows are fiberglass windows made from Pella's® patented Duracast®  fiberglass composite material.  This low-maintenance fiberglass materials offers superior durability in extreme weather conditions, while still offering the quality look of a painted wood  window.

They are available in Awning Windows, Bay or Bow Windows, Casement Windows, Double- Hung Windows, Single-Hung Windows, Sliding Windows, and Fixed Windows.