An experienced roofer will know where to check for damage and should be thorough in documenting the damage and how extensive it might be. They will take pictures of damaged areas and get you a written explanation of what needs to be fixed and the estimated cost to repair. In some cases, you might have roof damage that isn’t serious enough to justify an insurance claim and in this case, your preferred roofing company can work with you to plan how to handle the repairs. In more serious cases, you’ll need to get your homeowner’s insurance company involved and will need to provide proof of damage, including measurements, the events that led up to the damage, and dates and times the damage occurred.
It is always a good idea to take pictures of your roof periodically, especially after any maintenance has been done. Make sure the images are clear and well labeled with date and time. If possible, take several photos from different angles to show the whole roof and its condition. By doing this, you can make a more convincing argument and you will have visual proof to justify that the damaged areas were not there before the storm and were a direct result of the storm itself.