Replacement Window

4000 Series

Vinyl Picture Window

EcoShield Windows

The EcoShield 4000 picture window 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 vinyl replacement window delivers superior value.

Standard Features

  • Thermal Fusion Welded Frame
  • Sleek Slimline Sash Profile
  • 3ΒΌ" Frame Depth
  • Also available in Rolling, Double Hung, and Bay
  • DP 50 Rated
  • Interlocking Sloped Sill

Performance Options

  • ST Energy Star Glazing Package
  • DOE-R5 Glazing Package
  • White, Beige and White/Bronze Colors
  • Cherry, Light and Dark Oak Simulated Woodgrain Interior
  • 14 Custom Exterior Colors
  • Flat, Profile or SDL Grid Package
  • Foam Frame Wrap
4000 Picture
Thermal Performance Data - 4000
GlazingU-ValueSHGCVLT
DOE - R5 - Triple0.200.230.41
ST Energy Star0.270.250.49
High Perf. Low E0.300.260.49
Clear0.440.610.63
Full test results with grids or without grids

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EcoShield Window Systems, a quality product of Kasson and Keller Inc.
Manufacturing replacement windows, new construction windows, and storm windows since 1947

Product information on this site is subject to change without notice.
Please contact your dealer or customer service representative for the most up to date information.