Pella Impervia Casement Windows combine durability with crank-open operation for ventilation, energy efficiency, and a sleek, modern fiberglass design.

The Pella Impervia Fiberglass Casement Window combines sleek, contemporary style with the unmatched durability of fiberglass. Designed to resist warping, cracking, and expansion, this low-maintenance window provides smooth operation and excellent energy efficiency, making it a smart choice for homeowners seeking lasting performance and modern aesthetics.

Frame

• Made from Pella’s proprietary fiberglass, engineered for exceptional strength and durability.
• Resists warping, rotting, and corrosion, even in extreme temperatures.
• Narrow frame design maximizes glass space for more natural light.
• Low-maintenance finish requires no repainting or refinishing.

A strong and durable frame ensures long-lasting beauty and reliability while requiring minimal upkeep.

Sash

• Fiberglass sash offers superior resistance to wear and tear.
• Designed for a tight seal to enhance energy efficiency.
• Available in various finishes to match any home style.
• Opens smoothly for effortless operation and ventilation.

A well-designed sash enhances both energy efficiency and ease of use, ensuring comfort year-round.

Weatherstripping

• Multi-layer weatherstripping helps block drafts and moisture.
• Improves overall energy efficiency by reducing air leakage.
• Provides a tight seal to maintain interior comfort.
• Enhances window longevity by protecting against the elements.

Superior weatherstripping helps maintain indoor temperatures and reduces energy costs.

Glass

• Available in energy-efficient, dual- and triple-pane glass options.
• Reduces heat transfer to improve insulation.
• Blocks harmful UV rays to protect interior furnishings.
• Optional impact-resistant glass provides added security.

Advanced glass options improve energy savings and protect your home from harsh outdoor conditions.

Interior / Exterior

• Durable fiberglass exterior withstands harsh weather.
• Interior finish options complement various home styles.
• Resists fading, chipping, and peeling over time.
• Designed for a sleek, modern look with lasting performance.

A stylish and durable finish ensures long-lasting curb appeal with minimal maintenance.

Hardware

• Smooth crank operation for effortless opening and closing.
• Corrosion-resistant hardware designed for longevity.
• Secure locking system enhances home safety.
• Available in multiple finishes to match your home’s décor.

Durable hardware provides reliable functionality and added security.

Screens

• High-visibility screens allow more natural light and airflow.
• Durable materials resist tearing and wear.
• Easy to remove for cleaning and maintenance.
• Helps keep insects and debris out while allowing fresh air in.

Quality screens improve ventilation and visibility while keeping your home comfortable.

Grilles

• Multiple grille patterns available for a customized look.
• Enhances architectural style and curb appeal.
• Designed to maintain a clean, polished appearance.

Customizable grille options add charm and character to match any home design.