A code lead jack is going to be much better because it has a much larger base to it which sits flat on the roof.
Fix a leaky roof vent.
Here are a 19 signs you may have a roof leak.
Damp spots around interior air vents or fireplaces.
Bring a leaky roof vent up to code start by removing the old lead jack and removing shingles around it.
Use the knife blade to scrape the pipe clean and smooth.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
Dripping sounds inside your home.
Use a pocketknife to scrape rough edges and sharp points from upper end of plastic vent pipe.
In most cases a plastic roof vent will be suffering from cracked housing whereas a metal vent will most likely be leaking due to a broken or faulty seam.
Recaulk the corner flashing if any areas have hardened caulk.
Dig out any cracked or dry caulking that isn t properly sealing adjoining surfaces and replace with silicone caulk.
Cut away the old caulk from around the vent pipe.
Moreover this can cause more problems since it may mask the damage that s already been done to your home by the leak.
Moist drywall or paint around light fixtures or electrical outlets.
Perhaps one of the most common fixes is to simply use caulkto resolve the problem and while this can be temporary short term fix it is a solution that will not last for a very long time.
Isolate areas when you run the hose.
For example soak the downhill side of a chimney first then each side then the top on both sides.
Interior paint bubbling or peeling during hard rains.
Install a code lead jack in its place.
Steps for fixing a leaking rooftop vent pipe.
Water stains or damp spots on your ceiling.
Replace any missing or rotted siding above the step flashing on dormers.
Start low soaking the area just above where the leak appears in the house.