4100 Series Storm Window

1 year warranty on commercial projects; Extended warranty available

Recycled aluminum and powder coating qualifies these products as Green Products.


  • Thermal break fin cover; can be expanded to compensate for out of square prime window
  • 90 Degree interlocking sash corners keep the sash square and airtight
  • Side bolted heavyweight center bar


  • Bulb weather-strip at sill
  • Nylon sash guides eliminate the need for lubrication and gives a smoother sash operation
  • Additional 1/2" offset. Gives more insulating airspace and easier cleaning

Available Types

Fixed Frame

Single Hung

Horizontal Slider

Storm Window

Available Finishes

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





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