I’m at inspection right now and I’m on the low sloped roof. I noticed a gooey substance around the ABS vent pipe. Then I found a can of asphalt spray primer in the gutter. My gut is telling me this is a defect. In my searches it is to be used as a primer for adhesion. Can’t find anything about sealing around vent pipes.
Plastic Cement Sealant. PLASTIC CEMENT is a asphalt mastic that forms a tough, flexible, water-resistant coating.
@mcyr has it right. Heavy layers of sealant and no visible boot flashing is a concern and may be prone to leaking. I would write it up as such.
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