Should You Replace Old Basement Windows With Glass Block?
Published on: 01/11/2026
Old basement windows cause moisture, drafts, and security risks. Learn why glass block is the most durable, low-maintenance replacement option.

Old basement windows cause moisture, drafts, and security risks. Learn why glass block is the most durable, low-maintenance replacement option.

DIY glass block installation may cost more than expected once tools, time, and rework risk are factored against professional alternatives.

Glass block windows reduce air infiltration and drafts significantly, which can lower heating costs in homes with old basement windows.

Learn what drives glass block window costs, from block type and window size to installation complexity and site conditions.