The rubber gasket that surrounds the vent pipe could be rotted.
My roof is leaking the ceiling ripped open.
To double check recreate the leak by running your shower or toilet and then inspecting the open ceiling for leaks.
Water damage will likely be centered around the faulty fixture.
Again check the rubber boot the base and the nails.
Grab a bucket trash can or some other container and place it under the site of the drip or suspected leak.
We re here to tell you how to tell if you have ceiling mold what you can do about it and what safety measures to take when attempting ceiling mold removal yourself.
Look for cracks in the base of flexible rubber flashing or broken seams in metal varieties of vent pipe flashing.
Items that penetrate the roof are by far the most common source of leaks.
The first thing to look for is any roof penetrations.
In fact it s rare for leaks to develop in open areas of uninterrupted shingles even on older roofs.
Penetrations can include plumbing and roof vents chimneys dormers or anything else that projects through the roof.
This often times doesn t occur right away as it takes time for mold to grow and develop.
If you see water dripping you ve identified the source of your leak.
Namely you need to look out for the ceiling mold after a roof leak.
With the damaged ceiling section removed look for signs of leakage.
Look for cracked housing and broken seams in the vent.
If you find water dripping from a bulges or discoloration in your ceiling it s likely that water is pooling on the other side of that bulge or dark spot.