by Chuck Bickford iStock. 18 mars 2022 · Once you’ve confirmed you have a roof leak to repair, you will need a few specific tools to get the job done. Safety goggles (always protect your eyes!) Gloves; Caulking gun + caulk; Flashlight or headlamp; Utility knife; A large bucket; Tar roof patch; Scraper; How to Repair Your Roof Leak From the Inside.