This is relatively rare for 2 reasons:
During your free on-site inspection, your solar installer will thoroughly examine your roof before taking any further steps. If repairs are needed, the contractor will make recommendations before installing any panels.
Solar installations actually make your roof stronger by protecting shingles from weather, wear, and tear.
But in the unlikely event that your roof does need to be repaired after the fact, your system will need to be removed temporarily. Most installers provide this service for a nominal fee. To learn more about the exact process, request a free solar consultation today.