Flashing is treated as a priority in Salvo's work, especially around edges, shifts, valleys

https://trentonbkle484.northcrestbrief.com/posts/finest-synthetic-roof-coverings-for-ice-dams-wind-and-seasonal-temperature-swings

Flashing is dealt with as a concern in Salvo's job, especially around sides, changes, valleys, and penetrations where describing matters most.