nealtw
Contractor retired
I think you had more water than could come there from a few nails,
You were fed a platter of manure. Flashing should NEVER have exposed nail through it. Even if it was caulked, the caulking will eventually fail. I would insist that he fix it properly. Just my :2cents:
In the vid they show gluing the cover shingle down to the flashing not nails.
I just think that was too much water for the nails or window leak considering would have to come from snow sitting some where.
Before you go into the attic... run the hose where the wall meets the porch roof flashing. If you get water running in the same spots, its the flashing.
However... do not stop there... you may have more leakes above also. It could be a couple of things. But those nail holes would not contribute that much water to what we saw. Its usually, flashing that fails first.
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