280 Single Hung
Advanced engineering and materials make the EcoTherm 280 vinyl new construction window one of the best values on the market today. Built with rugged 100% 1st generation PVC, the top sash is fixed, for added protection against air infiltration, and a high thermal rating.
| Glazing | U-Value | R-Factor | SHGC | VLT |
|---|---|---|---|---|
| Clear | 0.49 | 2.04 | 0.63 | 0.65 |
| HP Low E | 0.35 | 2.86 | 0.29 | 0.55 |
| Supra Low E Argon | 0.32 | 3.13 | 0.29 | 0.55 |
| ST Stimulus | 0.30 | 3.33 | 0.29 | 0.55 |
Standard Features
- Welded Sash and Frame
- Block and Tackle Balance System
- Fully Weather-Stripped Interlock
- Bottom Sash Tilts in for Easy Cleaning
- Fiberglass Half Screen
- Sloped Sill with Interlocking Leg
- DP 35 Rated
- Aluminum Reinforced Meeting Rail
- Also available in Rolling, Picture Window, and Hopper
- 3" Frame Depth
Performance Options
- ST Stimulus Energy Star Approved Package
- DP 50 Commercial Upgrade
- White, Beige and Bronze/White Color
- Flat or Profile Grid Package
Builder Options
- Integral Nail Fin
- Integral Nail Fin and J-Channel
- 3" Cambridge Flat Casing
- 4 9/16" Pre-Primed or Clear Extension Jamb
- 6 9/16" Pre-Primed or Clear Extension Jamb
© 2010 KASSON AND KELLER, INC. EcoTherm Window Systems, a quality product of Kasson and Keller, Inc. All rights reserved.