
The 500 Series is our most popular choice for performance and value. The Insul-Tec is a great window for a great price. There are many glass options to choose from the clear glass double pane is the budget conscious choice for a maintenance free high quality picture window.
- 3000% Better AI protection
- Full 3¼" Depth Welded Mainframe
- Excellent craftsmanship
- Vinyl windows are strong and durable
- Foam filled frame for greater performance
- Beautiful, and strong for years of long lasting maintenance free performance.
- Heatseal® warm edge spacer system drastically reduces the possibility of condensation on the inside of the window.
- Available in Replacement and New Construction applications
| | | | Energy Star | Comparison To |
Glazing Option | U-Value | SHGC | VT | CR | Minimum* | Energy Star Minimum |
Dual Glazed | | | | | | | |
Clear Glass | 0.46 | 0.63 | 0.65 | 46 | 0.30 | Does not qualify |
| | Industry | Comparison To | |
| OKNA Windows | Minimum | Industry Minimum | |
| | | | | | | |
| | | | | | | |
AAMA Rating | R75 | R15 | | | |
Air Infiltration cfm/ft2 | <0.01 | 0.3 | 3000% | Better |
Water Penetration mph | 66 | 33 | 100% | Better | |
Structural Integrity mph | 210 | 94 | 123% | Better |