Windows Fiberglass Window
Pella Impervia
Pella Impervia fiberglass windows made from proprietary Duracast thermoset fiberglass tested from -40°F to 180°F and 73 times more impact-resistant than composite alternatives. Five-layer pultruded fiberglass construction with powder-coat AAMA 624-rated finish that never requires painting or refinishing. Available in double-hung, casement, awning, and sliding styles.
Frame Material
fiberglass
Finish
powder-coat
Glazing
dual-pane
Low E
Yes
Argon
Yes
Installation
new-construction
Model Comparison
4 models
| Specification | Double Hung | Casement | Awning | Sliding |
|---|---|---|---|---|
| Model | impervia-windows-double-hung | impervia-windows-casement | impervia-windows-awning | impervia-windows-sliding |
Shared Specifications
All models| frame_material | fiberglass |
| finish | powder-coat |
| glazing | dual-pane |
| low_e | Yes |
| argon | Yes |
| Installation | new-construction |
| features | impact-resistant, no-painting-required, low-maintenance |
| standards | ENERGY STAR, AAMA 624 |