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Vinyl Windows

4000 Double Hung

Kas-Kel 4000 Series 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
Kasson & Keller
Vinyl 4000
Vinyl 2800
Patio Door 3200
Alside
Thermal Industries
Trimline Wooden

© AES, Inc. 2010