C-300 Basement Insert-Aluminum Single Pane

The Columbia Series 300 aluminum basement window is a single glazed aluminum basement insert. Needs no tools to install -- uses high tensile steel spring clips to secure the insert in the opening. Available in Aluminum mill finish.

Note: The Columbia Series 300 replaces Columbia, Monarch and Kewanee single-pane basement inserts.

Standard Sizes*
31" x 12-5/8"
31" x 16-5/8"
31" x 20-5/8"
31" x 36-5/8" egress

*NOTE: Custom sizes are available--call to order
Information page: How to choose a window + removal/installation guide
Information video: Basement Window Replacement

4 Products