Address high moisture by installing a robust waterproofing system, including sealants and drainage solutions. Use moisture-resistant materials for walls and flooring. Ensure proper ventilation with dehumidifiers and air circulation to control humidity levels and prevent mold growth.

Install a waterproofing system with sealants and drainage solutions, and use moisture-resistant materials. Ensure good ventilation with dehumidifiers and air circulation to manage humidity and prevent mold. Effective moisture control is crucial for a healthy and durable basement finish.