Pella Impervia 3-Wide Double Hung windows offer tilt-in sashes for easy cleaning, great ventilation, and durable fiberglass for energy efficiency.

The Pella Impervia Fiberglass 3-Wide Double Hung Window combines the strength of Pella’s proprietary fiberglass with the timeless appeal of a double-hung design. Engineered for durability and energy efficiency, this window resists warping, cracking, and expanding, even in extreme weather conditions. Its sleek, low-maintenance finish and high-performance features make it an excellent choice for homeowners looking for lasting value and modern performance.

Frame

• Made from Pella’s proprietary fiberglass, which is eight times stronger than vinyl.

• Resists warping, bending, and swelling in extreme weather conditions.

• Narrow frame design allows for more natural light and a modern appearance.

• Low-maintenance material requires no painting or refinishing.

A durable fiberglass frame ensures long-term performance and a sleek aesthetic without the upkeep of wood or vinyl.

Sash

• Reinforced fiberglass sash provides added strength and durability.

• Both sashes open for customizable ventilation.

• Tilt-in design allows for easy cleaning from inside the home.

A strong and functional sash design enhances durability while making it easy to clean and maintain.

Weatherstripping

• Dual weatherstripping seals tightly to minimize air and water infiltration.

• Reduces drafts and helps maintain a consistent indoor temperature.

• Contributes to overall energy efficiency and home comfort.

High-quality weatherstripping keeps your home comfortable year-round while improving energy savings.

Glass

• Dual-pane insulating glass improves thermal performance.

• Optional triple-pane glass increases energy efficiency.

• Low-E glass with argon gas fill helps reduce heat transfer and UV damage.

Advanced glass technology enhances insulation, helping to lower energy costs while protecting interiors from sun damage.

Interior / Exterior

• Powder-coated interior and exterior finishes resist fading, chalking, and peeling.

• Available in modern, low-maintenance color options.

• Designed to complement a variety of architectural styles.

A durable, stylish finish ensures lasting beauty with minimal maintenance.

Hardware

• Integrated cam-action locks provide a secure and tight seal.

• Smooth-operating balance system for effortless opening and closing.

• Corrosion-resistant hardware ensures long-term durability.

Reliable, easy-to-use hardware enhances security and convenience for everyday use.

Screens

• High-transparency screens improve airflow and visibility.

• Optional Pella InView™ screens allow 14% more light and 8% more airflow than conventional screens.

• Durable materials resist wear and tear for long-lasting performance.

Enjoy fresh air and clear views with premium screen options that keep insects out without blocking light.

Grilles

• Grilles-Between-the-Glass (GBG) for a sleek, low-maintenance look.

• Available in 5/8" flat or 1" contoured styles.

• Choose from Traditional, Prairie, and Custom grille patterns.

Grille options add a touch of character and style while maintaining easy cleaning and a modern design.