Why Does My Roof Leak Around the Chimney?

Flashing is the metal strip that seals the joint between your chimney and roof. Over many years, this metal can corrode, crack, or pull away from the chimney bricks. The sealant used on the flashing edges, called caulk or roof cement, dries out and shrinks. This creates openings where water can seep in during rain, often running down the chimney and into your home.

The problem can be hard to spot from the ground. The leak may not be directly above the water stain you see inside. Water can travel along roof decking or rafters before dripping down. A thorough inspection by a qualified roofer is often needed to pinpoint the exact point of failure in the flashing system.

Your first step is to contain the water inside. Place buckets under drips and move furniture or belongings out of the way. If water is running down a wall, you can tape plastic sheeting to direct it into a container. Avoid going onto a wet roof yourself, as it is slippery and dangerous. The priority is to prevent further damage to your interior.

Next, contact a roofing professional to assess the chimney and roof. You should also call a local water damage pro for the wet materials inside your home. They can extract standing water, set up drying equipment, and check for hidden moisture in walls and ceilings. Acting quickly helps limit the damage and reduces the chance of mold growth.

• Move furniture and electronics away from the wet area.
• Use buckets, towels, or plastic sheeting to catch dripping water.
• Avoid climbing on the roof, especially if it is wet or steep.
• Take clear photos of the leak and any damage for documentation.
• Contact a qualified roofer to inspect the chimney sealing.

If the leak caused significant interior damage, check your homeowner's insurance policy. Sudden, accidental water damage from a storm might be covered, while gradual deterioration from lack of maintenance often is not. Policies vary, and your insurer decides what is covered. Keep receipts and photos of the damage and repairs. You may need to file a claim, but contact your agent first to understand your coverage.

Regular chimney and roof maintenance can prevent many leaks. Have a roofer inspect the flashing and seals every few years, especially after severe weather. Ensure your chimney crown is in good condition and the mortar is solid. Keeping gutters clean also prevents water backup against the chimney. These simple steps help protect one of the most vulnerable spots on your roof.