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 | |||
