Repairing water damage starts with a thorough assessment of the affected area, making sure that all sources of moisture are found and dealt with. If a section of drywall has been demolished, it is important to check for mold, rot, or structural damage before moving forward with repairs. New drywall sheets can be cut and installed to match the dimensions of the existing wall once the area is dry and free of contaminants. If insulation was removed due to water damage, replacing it before closing the wall ensures energy efficiency and prevents mold growth; and lastly, a high-quality paint job restores the wall's appearance, completing the repair process and preventing future moisture intrusion.