The immediate thing to do is to contain dripping water from the leak.
Leaking roof pipe.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
In addition to the causes above there is another possible cause for water dripping from roof vent pipes.
Remove debris make sure your roof valleys are clear of debris re shingle valleys valleys may need to be reshingled with new ice and water shield put in place.
Vent pipe leaks are very common and vent pipe flashing should be regularly inspected to prevent roof leaks.
Here are four common problems that can cause water to leak around vent pipes.
Across the joists lay a.
Look for cracks in the base of flexible rubber flashing or broken seams in metal varieties of vent pipe flashing.
The rubber gasket that surrounds the vent pipe could be rotted.
When this happens the water can seep into the house along the pipe.
Rusty and cracked collars around the vent pipe can allow rainwater to pool and eventually drip into.
These pipes penetrate the roof.
Check plumbing vent boots and roof vents if water is entering from that area to cause the leaking roof.
Isolate areas when you run the hose.
Quick fix from inside contain dripping water.
Fix a leaky roof vent pipe with a oatey rubber gasket.
For example soak the downhill side of a chimney first then each side then the top on both sides.
In fact it s the most logical cause.
Use the tip of the bar to pry out the nails.
Start low soaking the area just above where the leak appears in the house.
It s when the seal around it has been broken.
Make a temporary patch.
How to fix a leaking roof vent pipe flexible roof sealant apply flexible roof sealant black jack roof patch rubberized roof cement from a can or tube to fill holes gaps flashing and loose shingles around vent pipe.
If the rubber boot is cracked rotted away or torn.
Pry upward gently to locate the nails.