Basement Windows, Replacement Inserts

Basement replacement window inserts fit into existing steel frames to replace Columbia, Monarch, and Kewanee brand windows.

Installation is easy! 1-minute install: snap out old, snap in new.

Basement replacement windows have several options and a variety of sizes. Please compare measurements & designs:

  • Color – As of 2023, all basement windows are manufactured white.
  • Size – Many parts look similar, but shapes, hardware, and dimensions vary.*
  • Brand – Replacements for 3 manufacturers: Columbia, Monarch, and Kewanee.
  • Type – Single or Double Pane; Aluminum or Vinyl Inserts, etc.

*NOTE: Custom window pane inserts are available – contact our customer service team and let us know what you need!

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Window Parts & Hardware