Fix Roof Leaks Around Chimney

To replace flashing around the vent pipe first remove the shingles covering the flange at the back and sides.

Fix roof leaks around chimney.

Clean any leaves or other debris out of the gap between the flashing and chimney. For example soak the downhill side of a chimney first then each side then the top on both sides. Inspect the flashing for gaps or cracks. Start low soaking the area just above where the leak appears in the house.

Water test the roof at the area of the chimney using a garden hose. The chimney crown is the cement part on top of the chimney. Position a new vent pipe flashing over the vent push it down into place and nail where shingles will cover it. Use a chisel to remove any hardened roofing cement.

To repair chimney flashing leaks. Have your helper stay inside the house waiting for the drip to appear. Get a chimney cover and have a professional make sure it s not this simple. Apply roof cement to any gaps or cracks.

2 many chimney leaks are from cracks in the chimney crown. The bricks go up around the tile flue liners but at the top you need something to stop the rain and snow from just falling in around. Pull or cut off any nails. Pry and lift off the flashing.

If the leak does show up in this area have an expert check and repair the shingles. How to fix a roof leak around the chimney chimney cap a new chimney cap may keep water from entering the top of the chimney and help keep critters out flexible roof sealant apply flexible roof sealant black jack roof patch rubberized roof cement from a can or tube to fill holes gaps flashing and loose shingles around the chimney. Apply a generous amount of roofing cement behind the flashing. 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.

Many residential roofers lack the sheet metal expertise to handle reflashing a chimney. Use masonry nails or screws to reattach the flashing tight against the chimney. The roof shingles around a chimney can also have problems although shingles are one of the least common causes for a chimney leak.