Fix Leaky Roof Around Chimney

Use a chisel to remove any hardened roofing cement.

Fix leaky roof around chimney.

Small holes or corroded spots in flashing can be easily repaired. Water test the roof at the area of the chimney using a garden hose. First roughen the area around the hole with a wire brush or sandpaper and then clean it. Apply a generous amount of roofing cement behind the flashing.

In this case of a roof leaking from around a chimney or fireplace the problem is often the flashing needs to be removed and replaced. Chimney roof leaks are usually caused by gaps or cracks between the metal flashing used to join the chimney to the roof and the chimney. This can involve a significant amount of the roofing tiles felt and flashing to be removed in order to fully uncover the exact leak source and check for any damaged decking or plywood. To repair loose roof chimney flashing.

Small nail holes left behind from old vents satellite dish brackets or anything previously attached to the roof can allow water to enter and cause damage for years before leaking is noticed. Use masonry nails or screws to reattach the flashing tight against the chimney. Apply roof cement to any gaps or cracks. Clean any leaves or other debris out of the gap between the flashing and chimney.

To repair chimney flashing leaks. To do this ask an assistant to observe the area of the ceiling near the chimney and run water along the sealed gaps of the.