The answer to 'how to repair skylight' is to first inspect the skylight for any cracks, leaks, or damage. If the issue is minor, such as a small crack or seal failure, you may be able to repair it yourself. However, for more significant damage or if you are unsure of the extent of the problem, it's best to call a professional roofing contractor to assess and repair the skylight.
To repair a minor skylight issue yourself, you'll need to clean the area around the skylight, apply a sealant or caulk to any cracks or gaps, and potentially replace the skylight gasket or weatherstripping. Be sure to use the proper materials and follow the manufacturer's instructions carefully. If the skylight is leaking, you may need to remove and reseal the entire unit. For any major repairs or if the skylight is cracked or damaged, it's recommended to hire a professional roofer who can properly assess the issue and make the necessary repairs to ensure the skylight is functioning safely and effectively.