Most often when a chimney leaks the leak originates in that spot.
How to seal a leak on the cheminey onthe roof.
Water test the roof at the area of the chimney using a garden hose.
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.
Silicone caulk is the favorite one.
4 press the flashing strips onto the roofing cement running your hand.
People will use any product for that purpose.
Use masonry nails or screws to reattach the flashing tight against the chimney.
Use a chisel to remove any hardened roofing cement.
The end result is the chimney leak just got worse.
After a leak has developed in a chimney the normal thing to do is seal the crack.
Apply a generous amount of roofing cement behind the flashing.
Clean any leaves or other debris out of the gap between the flashing and chimney.
Spread roofing cement along the roof at the base of the chimney and 5 inches up the sides of the chimney using a trowel.
We have seen all kind of caulking products to tar.