Water Down Chimney Flue

Water stains or moist sections inside the firebox or chimney musty odor from mold or mildew cracking in the interior or exterior masonry.

Water down chimney flue. 2 many chimney leaks are from cracks in the chimney crown. Gap allows the clay flues to expand and contract from repeated heating and cooling without cracking or cracking the crown. Posted 5 months ago. You could also have a crack on your chimney crown that cap sits on and that may need caulk.

You can see that the very purpose of the chimney crown is to keep rain out. Audible dripping sound even if you can t see any water. Possibly the flaunching to the top of the chimney has deteriated and is letting water down the old flue and the water is hitting the bend of the flue making the dripping sound as it lands on it answered 1st oct 2011 liked 8. Almost all issues with water coming in the chimney are pretty easy to fix.

That is they re supported by the brick but not attached to it a high quality polyurethane caulk seals the flue crown gap and prevents water penetration. The chimney crown is the cement part on top of the chimney. Dmoore dec 12 14 at 5 54. Bigger cowl with more of an overhang sorted it.

The top part doesn t overhang much so with a bit of wind the water dripping off goes down the flue. The flues float inside the brick chimney walls. If the crown on a chimney is damaged or missing water issues will occur and will likely be noticeable during storms or heavy rainfall. Can figure out the exact cause with a bucket of water and testing on your roof if that is possible.

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.