C-310A-K Basement Insert-Aluminum Dual Pane Glass

The Columbia Series 310A-K aluminum basement window is an insert with insulated glass. Needs no tools to install--uses high tensile steel spring clips to secure the insert in the opening. Expander allows for use in most concrete basement walls with poured-in-place steel Kewanee buck frames.

Available in Standard Sizes*:

  • 31" x 12-5/8"
  • 31" x 16-5/8"
  • 31" x 20-5/8"
  • 31" x 36-5/8" (egress window)
*NOTE: Custom sizes are available--call to order
Information page: How to choose a window + removal/installation guide
Information video: Basement Window Replacement

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