Waterproofing a basement involves both interior and exterior solutions to prevent water damage. Interior methods include applying sealants, installing sump pumps, and ensuring proper drainage. Exterior methods involve waterproof membranes, proper grading, and drainage systems.

Comprehensive basement waterproofing requires a combination of interior and exterior solutions. Apply sealants, use sump pumps, and ensure proper interior drainage. On the exterior, use waterproof membranes, maintain proper grading, and install drainage systems. These methods work together to effectively manage and prevent water damage.