Pella® Impervia® Double-Hung Window

  • Made with Pella's patented Duracast® fiberglass composite material.
  • Operable sizes up to 3' 11-1/2" x 6' 5".
  • Performance Grade up to PG50.

A local Pella team member is ready to help you with your project.

Features & Options

Sizes and Shapes – Pella Impervia Double-Hung Window

Sizes

Built-to-order in 1/4" increments.

View size tables

Combinations

Add transoms or adjacent windows for flexible combinations.

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Design Data

Design data available for egress, vent opening, clear opening, visible glass and frame area.

View design data

Sash Splits

Pella offers three styles of operable double-hung windows:

  • Traditional – equal vent unit.
  • Contemporary – provides the appearance of a fixed window over an awning window, but at a lower cost.
  • Cottage – provides the appearance of an awning window over a fixed window, more cost-effectively.

  • Contemporary

  • Traditional

  • Cottage

Learn about all Pella Sizes and Shapes