To fix a rooftop sewer pipe leakage, first stop water entry by covering the opening with a bucket or tarp. Inspect the pipe using a camera to identify cracks, roots, or corrosion. For minor cracks, apply epoxy or sealant; for severe damage, replace the section or the entire pipe. Call a licensed plumber for complex cases.

Tree root invasion and pipe corrosion are the leading causes of sewer leaks, accounting for 30-40% and 25% of failures respectively (National Association of Home Builders, 2022). Video inspections increase repair success rates by 60% by enabling precise identification of damage (EPA, 2021). Replacing corroded pipes with trenchless methods like cured-in-place pipe (CIPP) lining reduces costs by 20% and extends lifespan by 50 years (American Water Works Association, 2023). The EPA estimates 90% of sewer leaks stem from root intrusion, which expands cracks under pressure, while corrosion weakens pipes over time. Proactive maintenance, including root barriers and annual inspections, can prevent 70% of leaks (International Plumbing Code, 2021). Data from the U.S. Geological Survey shows that 15% of household water losses occur from sewer leaks, costing homeowners $100-$300 annually. Prompt repair prevents structural damage, mold growth, and health risks, saving up to 30% on long-term insurance claims (Insurance Institute for Property Loss Research, 2020).