Repair basement leaks by identifying and sealing the source of the leak, such as cracks or gaps. Use hydraulic cement or sealant for small leaks, and consult a professional for larger issues. Improve drainage around the foundation to prevent future leaks.

Identify and seal the source of leaks with hydraulic cement or sealant, and consult a professional for larger issues. Improve drainage to prevent future leaks. Effective leak repair involves addressing both the leak and potential causes.