Chimney Siding Leak

You can see that the very purpose of the chimney crown is to keep rain out.

Chimney siding leak.

Replace missing worn or damaged shingles in the appropriate fashion. See siding fiber cement gaps. Leaks occur in places where sealant in the brick chimney flashing has become broken or damaged. If the leak does show up in this area have an expert check and repair the shingles.

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. The chimney crown is the cement part on top of the chimney. Apply sealant to the flashing of your brick chimney using a caulking gun. 2 many chimney leaks are from cracks in the chimney crown.

Installation gaps in siding of any type if not back flashed invite leaks into the wall above left. 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. An inexpensive way to prevent a chimney from getting worse and causing leaks this is a easy and relatively inexpensive to rebuilding a chimney.