New Construction Window

400 Series

Vinyl Double Hung Window

400 DH 400 DH

The EcoShield 400 new construction double hung 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 400 series vinyl window 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
  • Also available in Rolling and Picture Window
  • Full Length Lift Handles
  • Full 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
  • 3ΒΌ" Frame Depth

Performance Options

  • ST Energy Star Glazing Package
  • .21 U-Value DOE R5 Triple Glass Package
  • White, Beige and White/Bronze Colors
  • Flat, Profile or SDL Grid Package
  • Impact Rated
  • 14 Custom Exterior Colors

Builder Options

  • Integral Nail Fin and J-Channel
  • Cambridge Flat Casing
  • 4 9/16" Pre-Primed or Clear Extension Jamb
  • 6 9/16" Pre-Primed or Clear Extension Jamb
400 Double Hung
Thermal Performance Data - 400
GlazingU-ValueSHGCVLT
DOE - R5 - Triple0.210.210.39
ST Energy Star0.280.260.50
High Perf. Low E0.320.270.50
Clear0.440.570.59
Full test results with grids or without grids

Not sure what the difference is between a double hung window and a single hung window? Check our frequently asked questions page for answers to common window questions.

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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.