Often due to the age of the house the original roofing sealant will break down and start to crack and fall apart.
Bay window roof flashing.
Flashing bay windows featuring master mason bryan light the brick masonry techniques for builders dvd demonstrates construction techniques with brick that.
Apply silicone caulking to the backsides of the flashing and place it so that the vertical section covers the overhang of the lip of the roof while the horizontal section lays flat on the roof.
We would have used a longer step flashing along the angled walls of the bay porch roof intersection.
Install your drip flashing around the eaves of the bay window roof.
On the front of the bay a layer of shingles can cover the flashing if you need to hide it.
We always apply i w before all flashing details as a temporary dry in procedure and second layer of defense against leaks.