Replacement Window

4000 Series

Vinyl Bay Window

EcoShield Windows

The EcoShield 4000 Bay replacement window series provides high-end elegance in a high-efficiency system. With its hand crafted insulated seat board and optional ST Glazing, this vinyl window series delivers outstanding thermal performance in a particularly vulnerable area of the home.

Standard Features

  • Sleek Slimline Sash Profile
  • Quad Weather-Stripping at Key Contact Points
  • Block and Tackle Balance System
  • Also available in Double Hung, Rolling, and Picture Window
  • 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
  • All Welded Construction
  • 30 and 45 Degree Bay Window Style
  • 1" Insulated Seat Board
  • Red Oak or Birch Veneer Head and Seat Board
  • Screens on Operating Vents
  • 6 9/16" or 4 9/16" Jamb Depth
  • Hanging Cable System
4000 Bay

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
  • Custom Jamb Depths

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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.