On arrival I was pointed to the two upstairs bathrooms, where they had leaked onto the drywall in the kitchen. We pinpointed the leak to the shower and verified that it was the overflow. Upon further investigation, we discovered that the gaskets on both overflows were old and dry rotted. After providing option options for replacing the gaskets as well as replacing the entire drain waste and overflow and upon approval, we replaced the gaskets on the overflows. Upon completion, we tested everything for leaks and proper function.