If you’ve ever had water damage in your home, you know how frustrating it can be. Water can seep into cracks and crevices, causing all sorts of problems. Drywall is no exception. If you have water-damaged drywall, it’s important to repair it as soon as possible. Read below to learn how to repair water-damaged drywall. Water-damaged drywall can cause a number of problems, including cracks and holes in the drywall, mold and mildew growth, and swelling and buckling of the drywall. Depending on the type of damage and where water has intruded, the drywall should be either entirely or partially replaced.