Pella® Impervia® Fiberglass Single-Hung Window
Pella Impervia single-hung windows feature a stationary top sash and a bottom sash that opens and closes for ventilation. Versatile design features and options help deliver a timeless style to any home. And with one of the best limited lifetime warranties, you can be sure your windows will perform for years to come.
Impervia Single-Hung Window Features
- Exceptional energy efficiency
- Optional, energy efficient foam insulation
- Outstanding resistance to air and water infiltration, wind and outside noise
50% off qualifying installations1,3or0% APR for 48 months2,3See Details
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For the Pros
Pella Impervia Single-Hung Window Specs & Install Details
- Made from our proprietary five-layer fiberglass material, the strongest material for windows, engineered for lasting durability61
- Can handle the most extreme heat and cold16
- Strong, zinc die-cast locking mechanism for enhanced durability and water resistance
- Single-hung windows available in sizes up to 47-1/2” x 79-1/2”
- Performance class and grade LC40-LC50
Choosing Your Window
Make a design statement with window combinations. Additional combinations are available. See your Pella sales representative for the complete offering.
Pella Impervia fiberglass products have a long-lasting factory powder-coat finish in your choice of five colors plus dual-color frame options. Learn more about interior finishes.
- Pella Impervia windows are made from Pella's patented five-layer, engineered Duracast® fiberglass composite.
- A fiberglass composite sharing the same properties of strength, durability and temperature resistance as materials used in the aerospace industry.
- Allows Pella Impervia products to withstand extreme conditions better than windows made from other materials.
- Highly stable material won't expand, warp or sag in summer heat, or shrink and turn brittle in harsh winter conditions.
Styling Your Window
Pella's cam-action locks are available in today's most popular finishes.
Grilles give the appearance of individual window panes. Pella offers many grille patterns to help enhance your home's architectural style.
Grilles-between-the-glass create the classic look of individual windowpanes. Learn more about grille profiles.
- Interior is available in unfinished wood, primed, White or matched to prefinished stains.
- Exterior finish matches aluminum cladding.
- Grilles are 3/4" wide.
- Special grille patterns are available.
Integrated Security Sensors
Stay connected to your windows.
Preserve beauty, add comfort and enhance home security with innovative Pella Insynctive® technology.
Protect what matters most. Monitor windows while at home or away with the Pella Insynctive App.40
Conventional Fiberglass Screens
Pella's high-transparency screens are made of a finer screen fabric than conventional screens for a clear view that allows more air and natural light to flow into your home.
Pella InView™ screens let in 14% more light and are 8% more open for improved airflow compared to conventional fiberglass screens.5