The answer to 'downspouts leaking' is that there are several common causes, including clogs, joint issues, and improper installation. Symptoms may include water pooling around the foundation, damp basement walls, and water stains on the exterior. Solutions can range from simple DIY fixes to more complex professional repairs.
Homeowners can often address minor clogs or joint leaks themselves by cleaning out the downspout, sealing joints with caulk, or replacing worn washers. However, issues like major structural damage, extensive corrosion, or improper downspout placement will likely require the expertise of a professional roofing contractor.