The answer to 'best flashing repair' is to properly install new flashing around roof penetrations, edges, and transitions. Flashing is a critical component that helps prevent water leaks and roof damage. The best way to repair flashing is to remove any damaged or deteriorated flashing and replace it with new, high-quality flashing material that is properly sealed and integrated with the roof system.
Proper flashing repair requires careful measurement, cutting, and installation to ensure a tight, weatherproof seal. Homeowners should consider calling a professional roofing contractor for complex or extensive flashing repairs, as improper installation can lead to ongoing leaks and damage.