Chimney Siding Leak

Replace missing worn or damaged shingles in the appropriate fashion.

Chimney siding leak.

If the leak does show up in this area have an expert check and repair the shingles. The roof shingles around a chimney can also have problems although shingles are one of the least common causes for a chimney leak. Fixing leaks around chimneys my firm gets more calls about leaks around chimneys than about any other problem. See siding fiber cement gaps.

Installation gaps in siding of any type if not back flashed invite leaks into the wall above left. The chimney crown is the cement part on top of the chimney. Leaks occur in places where sealant in the brick chimney flashing has become broken or damaged. And more often than not the culprit is the flashing the sheet metal that keeps the intersection between the chimney and roof watertight.

Structural movement or damage shown in a more extreme case at above right can also allow significant leaks into the building. Apply sealant to the flashing of your brick chimney using a caulking gun. 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 the tiles. Before applying the new sealant to fix the leak in your brick chimney you ll need to scrape out the previous sealant using a scraper.