Vinyl Windows |
4000 Double Hung

The EcoShield 4000 line unites elegance and performance in a single, highly-efficient system. Engineered for strength and durability, with high-end features typically found only in the most expensive premium lines, the 4000 delivers superior value.
Standard Features
- Thermal Fusion Welded Frame and Sash
- Sleek Slimline Sash Profile
- Quad Weather-Stripping at key contact points
- Block and Tackle Balance System * 3¼" Frame Depth
- Available in Rolling, PW and Hopper
- Full Length Lift Handles
- Locking Half Screen
- Approved Forced Entry Locking System
- Sash Tilt In for Easy Cleaning
- Double Recessed Meeting Rail Locks
- DP 50 Rated * Interlocking Sloped Sill
- Dual Night Latches
Performance Options
- ST Stimulus – Federal Tax Credit Approved Glazing Package
- DOE-R5 Glazing Package
- White, Beige and Bronze/White Colors
- Cherry, Light and Dark Oak Simulated Woodgrain Interior
- 14 Exterior Decorative Colors
- Flat, Profile or SDL Grid Package
- Foam Frame Wrap
| Thermal Performance Data-4000 |
| Glazing |
U-Value |
SHGC |
VLT |
| DOE - RS - Triple |
.21 |
.21 |
.39 |
| ST Stimulus |
.29 |
.26 |
.49 |
| Supra |
.30 |
.26 |
.55 |
| HP Low E |
.34 |
.26 |
.49 |
| Clear |
.45 |
.56 |
.58 |
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