Metal plumbing vent pipe
We see this old, rusted-out plumbing pipe. These are put in place to free the home of methane gas build-up. If they are not properly sealed, they are a major reason for water seepage.
Evidence of calcium build-up
This is what happens after a Built-up roof starts to age. This is the beginning of the roof deterioration.
Tar seperation
The asphalt and tar is starting to crack. Water will find its way into the next layer of the roof and the home if not repaired.