Sleek, durable fiberglass patio door with energy-efficient glass, smooth operation, and low-maintenance finishes built to withstand the elements.

The Pella Impervia Fiberglass 3-panel Sliding Patio Door offers sleek styling and lasting performance. Made from Pella’s proprietary Duracast fiberglass composite, it’s engineered to resist warping, rotting, and weather damage—ideal for tough climates and low-maintenance living.

Frame

• Made from five-layer pultruded Duracast® fiberglass for strength and stability.
• 5" frame depth with mitered, bonded corners ensures long-lasting durability.

Sash

• Durable fiberglass sash with bonded corners for enhanced strength.
• Sliding panel glides smoothly on ball-bearing rollers along a stainless steel track.

Weatherstripping

• Flexible bulb weatherstrip with welded corners helps seal out air and moisture.
• Bristle strip at the interlocker adds extra protection from wind and rain.

Glass

• Dual- or triple-pane insulating glass with Low-E options available.
• Tempered or impact-resistant glass with optional argon gas fill.

Interior / Exterior Available Colors

• Powder-coat finishes available in White, Black, Brown, Tan, and Morning Sky Gray.
• Optional dual-color options feature White interiors with colored exteriors.

Hardware

• Interior handle with thumb lock in multiple finish options.
• Multi-point locking system for added security.

Screens

• InView™ screen with vinyl-coated fiberglass mesh and aluminum frame.

Grilles

• Grilles-Between-the-Glass in 3/4" contoured aluminum, factory-colored to match the door.