It is designed to be the seal that prevents water from entering your home by running down the chimney.
How to seal a leak on the cheminey onthe roof.
Use a chisel to remove any hardened roofing cement.
Water test the roof at the area of the chimney using a garden hose.
Clean any leaves or other debris out of the gap between the flashing and chimney.
Most often when a chimney leaks the leak originates in that spot.
People will use any product for that purpose.
Use masonry nails or screws to reattach the flashing tight against the chimney.
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.
Apply a generous amount of roofing cement behind the flashing.
After a leak has developed in a chimney the normal thing to do is seal the crack.
Spread roofing cement along the roof at the base of the chimney and 5 inches up the sides of the chimney using a trowel.
The beginning of the chimney leak battle.
The end result is the chimney leak just got worse.