The 400 Series Commercial includes a one-year warranty on commercial projects with an extended warranty available. Recycled aluminum and powder coating qualifies these commercial replacement windows as green products.


  • Block and tackle balance used on single hung for easy sash removal
  • Tru-Seal, DuraSeal spacer used between glass to eliminate seal failure
  • Heavy-duty tubular meeting rail and sloped commercial rated sill



  • Performance ratings from C40 to C50
  • Tested to AAMA standards
  • NAMI-certified and third party validated in accordance with AAMA protocol

Available Types

Fixed Frame

Single Hung

Horizontal Slider

Available Finishes

Mill | White | Sandstone | Bronze

  • Standard and custom in powder, liquid, anodized
  • Standard colors meet AAMA’s 2603, 2604 and 2605 guidelines
  • Custom finishes only available on large quantity orders