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    Pella® Impervia® Windows

    Delivering unmatched strength and lasting durability with proven performance and sleek, timeless style.9

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    three impervia windows strong durable fiberglass

      When it Comes to Having it All, Pella Impervia is an Overachiever

      Complement your home with windows that provide exceptional durability, beauty and peace of mind. Pella’s proprietary, low-maintenance fiberglass is tested to withstand some of the harshest conditions, including extreme heat and sub-zero cold, damaging UV rays and seacoast environments.9

      pella impervia windows large living room

        A material like no other

        Created with a one-of-a-kind manufacturing process, our fiberglass is the strongest material for windows, engineered for lasting durability.9 Our long-lasting powder-coat finish meets AAMA 624 which is a highly-rated fiberglass coating.

        Sleek, timeless style

        Versatile design elements combined with sleek profiles and clean lines deliver a timeless style. With an up-to-date color palette, including Black, grilles-between-the-glass and a revolutionary hardware solution, these windows will help you achieve your design vision.

        Proven performance

        Pella Impervia products are engineered to withstand the rigorous performance requirements of a commercial building, so you can trust them to perform in your home.15 Suitable for all climates, our fiberglass windows and patio doors help you create a comfortable home year-round.

        Engineered to Last & Last

        Pella Impervia windows provide relentless performance without sacrificing beauty. Our durable designs and innovative options complement your home’s unique style and improve performance.

        Rot- and corrosion-free

        Our extremely durable fiberglass will never rot or corrode and is naturally resistant to water and bugs.

        Take the heat (and subzero cold)

        Tested from -40ºF to 180ºF, our fiberglass is engineered to withstand subzero cold, the most extreme heat and the rigorous performance requirements of a commercial building.15

        No painting or refinishing

        With a heavy-duty powder-coat finish, Pella fiberglass windows resist chipping, chalking and fading — so you never need to paint or refinish.

        Exceptionally energy-efficient

        Energy-efficient dual- and triple-pane glass options with argon help slow the transfer of heat, keeping your home more comfortable year-round.

        Pella Impervia Products

        A woman holding a child in a quality laundry room with patterned wallpaper and modern appliances.

        The Pella Difference

        We do more than just create windows and doors. We test beyond industry requirements and innovate continuously to make beautifully designed products that you can be proud to own.