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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.
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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.
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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.