Q: In my primary residence, I had a ridge vent and shingle-over intake vents placed when it got its latest roof, and I had new insulation placed in the attic ...

Plumbing vent flashings ... for roof leaks. If you have a leak in the general area of a plumbing vent, check the condition of the vent flashing. Look for rust holes or gaps around metal vents ...

These systems are self-flashing, meaning they don’t require any additional seals around vents ... flat roof, if the roof is ...