How to Fix a Leaking Skylight: A Comprehensive Guide
Learn How to Identify, Fix, and Prevent Skylight Leaks with DIY Methods—and When to Call a Professional
A leaky skylight can cause big problems like water damage and harm your home's structure. Don't ignore it, as even a small leak can lead to rot and mold. But, you can fix skylight leaks and keep your home safe. This guide will show you how to find the leak, understand its causes, check for damage, and fix it yourself or call a pro.
Understanding Skylight Leaks
A skylight leak can happen for a number of reasons, and it's essential to understand the cause to correct the issue. The most frequent culprits are compromised flashing, failing sealants at joints, especially around skylights and edge trims. Other causes can include poor installation, worn-out seals, or debris accumulation.

Identifying the Leak
Before you start repairing, it's crucial to identify the source of the leak. Look for water stains on the ceiling or walls, check for signs of water damage, and inspect the skylight for any gaps or cracks. If you're unsure, it's always best to consult a professional for a proper assessment.