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Pella® Impervia® Fiberglass Picture Window

Pella Impervia fiberglass picture windows are non-operable and permanently sealed, making them an incredibly energy-efficient choice. Made from the strongest material for windows and finished with a durable powder-coat finish that won’t scratch or dent, these windows will last for years to come.9

  • Tested beyond industry standards, from -40ºF to 180ºF so you can trust our fiberglass material to perform on the hottest and coldest days of the year.
  • Secured with corner locks, metal fasteners and injected with sealant for added strength, security and reliable water performance.
  • Commercial grade strength and performance.15
  • Product #400006

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Pella Impervia Picture Window Features

  • Resists Bends, Dents and Breaks

  • No Painting or Refinishing

  • Strongest Material for Windows 9

Design Options

Pella Impervia fiberglass products have a long-lasting factory powder-coat finish in your choice of five colors. Dual-color frames have White on the interior with Brown, Tan, Morning Sky Gray or Black on the exterior.

Solid-Color Frames

    • black fiberglass frame

        Black

        • brown fiberglass frame

            Brown

            • white fiberglass frame

                White

                • morning sky gray fiberglass frame

                    Morning Sky Gray

                    • tan fiberglass frame

                        Tan

                      Material

                      • Pella Impervia products are made from our proprietary fiberglass material, the strongest material for windows, engineered for lasting durability.61
                      • Our long-lasting powder-coat finish meets AAMA 624, which is a highly-rated fiberglass coating.
                      • Exclusive thermoset material won't expand, warp or sag in summer heat, or shrink and turn brittle in harsh winter conditions.
                      • Secondary Secure Vent Lock for extra protection.

                      Downloads & Specifications

                      Design, Performance & Size Tables

                      Specifications

                      2D Cross Section

                      3D & BIM

                      Product Literature

                      • black impervia picture window cob
                        • fixed frame picture window cross sections

                          Pella Impervia Fixed Frame Window Specs & Install Details

                          • Timeless style and proven performance with unmatched strength and lasting durability
                          • Tested to extremes, from -40ºF to 180ºF
                          • Designed to provide the flexibility of fixed aluminum glazing systems with significantly improved energy efficiency
                          • Interior reglazing option for easier glass repairs in hard-to-reach locations
                          • Fixed frame windows available in sizes up to 143-1/2” width or height, with a maximum of 70 square feet
                          • Performance class and grade CW50
                          Frame
                          • Overall frame depth is 3-1/4".
                          • Nominal wall thickness of Duracast® fiberglass composite members is .070" to .135" thick.
                          • Jambs contain factory-drilled installation screw holes on block frame.
                          Glazing System
                          • Quality float glass complying with ASTM C 1036.
                          • 1" dual-pane insulating glass sealed and bonded to frame.
                          • 1-1/4" Triple-pane insulating glass or open glaze also available - frame, glass stops, glass stop covers only.
                          • High altitude glazing available.
                          Grilles
                          • Grilles-Between-the-Glass - insulated glass contains 3/4" contoured aluminum grilles permanently installed between two panes of glass. 
                          • Interior and Exterior Applied grilles - 1-5/8" aluminum grilles are applied to the interior and exterior of glass. 
                          • Grilles are factory prefinished.

                          Frequently Asked Questions

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                          contemporary dining room with black impervia windows

                            Pella Impervia

                            Get windows ready to handle virtually anything life throws at them. Pella Impervia windows are made from our proprietary fiberglass, the strongest material for windows.9 Pella’s exclusive fiberglass will never rot or corrode and resists dents, bends and breaks — and the list goes on. With a tough-as-nails powder-coat finish, your windows will never need to be painted or refinished.

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