Pella Fiberglass Windows

Single Hung Fiberglass Window

  • Tested beyond industry standards, from -40ºF to 180ºF so you can trust our fiberglass material to perform on the hottest and coldest days of the year.

  • Equal sightlines provide a clean, consistent aesthetic, unlike other single-hung designs that trade off aesthetic details.

  • Secured with corner locks, metal fasteners and injected with sealant for added strength, security and reliable water performance.

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Pella IMPERVIA® Series Single Hung Window

Double Hung Fiberglass Window

  • Commercial grade strength and performance.
  • Exclusive cam-action lock design improves the security of the window and creates a stronger seal.
  • Sashes tilt in, allowing you to easily clean the exterior of your windows from inside your home.

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Pella IMPERVIA® Series Double Hung Window

Sliding Fiberglass Window

  • Unique weep system on frame provides exceptional water management.

  • Exterior screen allows for easy ventilation with optional InView™ screen cloth that enhances the light in your home.

  • Designed with a double-roller system for smooth, long-lasting operation.

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Pella IMPERVIA® Series Sliding Window

Picture Fiberglass Window

  • Tested beyond industry standards, from -40ºF to 180ºF so you can trust our fiberglass material to perform on the hottest and coldest days of the year.

  • Secured with corner locks, metal fasteners and injected with sealant for added strength, security and reliable water performance.

  • Commercial grade strength and performance.