Pella® Impervia®

Based on 97 ratings*

Pella® Impervia® fiberglass windows.

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  • Made from the strongest material available for windows.49
  • Sleek profiles, clean lines and versatile design elements provide timeless style.
  • Delivering unmatched strength and lasting durability.49
  • Increase energy efficiency, security and ease of use while getting outstanding resistance to wind, water and outside noise.
  • Optional triple-pane glass for awning, casement and direct set windows provide exceptional energy efficiency.

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Pella® Impervia®

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 Why Choose Pella Impervia?

Tested and designed for extremes

Unmatched strength and lasting durability. Pella Impervia products are made from our proprietary fiberglass material, the strongest material for windows, engineered for lasting durability.49

Tough-as-nails powder-coat finish. It resists chalking and fading – even in dark colors. Your Pella Impervia windows never need to be painted or refinished.

Sleek, timeless style.

  • Up-to-date color palette. Interior and exterior color options are available to achieve your unique design style, including Black. Choose a solid-color frame or pair a White interior with one of our five exterior colors. Our colors are a durable, powder-coat finish which resists chalking, fading and scratching.
  • Sleek profiles and more glass. Create bold designs from sleek profiles and more glass with our intentionally designed products made from our exceptionally strong proprietary fiberglass.

Fiberglass is strong, but we made it stronger.

  • A material like no other. With relentless strength and long-lasting durability, Pella’s proprietary fiberglass helps ensure less maintenance.
  • Rot-free, corrosion-free, virtually maintenance-free fiberglass. Never worry about rot or corrosion with Pella’s proprietary fiberglass. Our durable fiberglass will never rot or corrode, is naturally resistant to water and bugs and virtually maintenance free. It resists chipping, chalking and fading — so you never need to paint or refinish.

When it comes to performance, Pella Impervia is an overachiever.

ENERGY STAR® Performance. Pella Impervia products offer the energy-efficient options that will meet or exceed ENERGY STAR guidelines in all 50 states.1

Optional energy-efficient upgrades.  Further improve energy efficiency in extreme climates with optional foam-insulated frames and triple-pane glass. Triple-pane glass is only available on awning, casement and direct set windows.

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    Enjoy Satisfaction for Years to Come.

    Pella® fiberglass windows are backed by the Pella Limited Lifetime Warranty – one of the best warranties in the business. See written warranty for complete details.

    Pella is Passionate About Quality.

    Pella has a steadfast commitment to quality – going beyond what meets the eye.

    Looking for Installation Guides?

    Get answers to your installation questions in our comprehensive Pella window and door installation guides.

    Average Customer Rating in the past 12 months*

    4.2/5 based on 97 ratings

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