There are different kinds of flashing that can occur on the roof. There is continuous, base, counter-flashing, and step flashing. Continuous flashing, also known as apron flashing, is when the long metal piece that pushes the water down the shingles has issues flexing. Base flashing is when a counter-part of the roof such as the chimney needs two parts of flashing.
https://compassroofingsystems.com/There are different kinds of flashing that can occur on the roof. There is continuous, base, counter-flashing, and step flashing. Continuous flashing, also known as apron flashing, is when the long metal piece that pushes the water down the shingles has issues flexing. Base flashing is when a counter-part of the roof such as the chimney needs two parts of flashing.
