The award winning 400 Series Double hung

The most advanced double hung window in the world.

Standard Features:

• Slide”N”Hide Retractable Insect Screen
  
• Super “A” Glass (1” sealed unit, argon, low-e, duralite spacer technology)
  
• Terkar Formula U-PVC Composite Vinyl (steel reinforced)
  
• Parallex Hardware System (the worlds most advance window hardware)
  
• Hi-Flo Drainage System (the highest performing drainage system available)
  
• Multi-Point Locking System (the highest rated hung locking system available)
  
• Fusion Welded Corners
• Double Weather Stripping
  

Optional:

• Slide”N”Hide Solar Screen
  
• Slide”N”Hide Thermal / Privacy Blind

Configurations

There are many other configurations available. Please see Customization Options.