To finish concrete walls, clean and prepare the surface, then apply a sealant or waterproof coating. You can also use paint or decorative wall panels for a more finished look. Adding insulation or drywall over the concrete can improve comfort and aesthetics while addressing moisture concerns.

Clean and seal concrete walls or apply waterproof coatings for protection. Use paint or decorative panels for a finished look. Consider insulation or drywall for added comfort and aesthetics. Proper preparation and finishing enhance both function and appearance.