The Enviro-Star 800 Series sliding window with double pane clear glass has a heavy duty foam filled frame. The maintenance free, composite foam filled frame is built to last. This high-end replacement slider combines beauty and durability.

  • 600% Better Air Infiltration protection
  • Wide selection of hardware options
  • Superior craftsmanship
  • Full integral interlock with double weather-stripping.
  • Full 3┬╝" Depth Welded Mainframe
  • Beveled colonial exterior features
  • Available in standard and custom exterior colors
  • Maintenance free, for years of long lasting performance.
  • Heatseal┬« warm edge spacer system for excellent thermal efficiency and drastic reduction in the possibility of condensation on the inside of the window.
  • Available in Replacement and New Construction applications.
Glazing Option U-Value SHGC VT CR Minimum* Energy Star Minimum
Dual Glazed              
Clear Glass 0.45 0.57 0.60 46 0.30 Does not qualify


      Industry Comparison To  
  Our Windows Minimum Industry Minimum  
AAMA Rating R 50 R 15      
Air Infiltration cfm/ft2 0.05 0.3  600% Better
Water Penetration mph   62 33  88% Better  
Structural Integrity mph 171 94  82% Better