Outside corners on dormers needs special flashing details to prevent water leaks ... corners shed water and stay dry for the life of the roof. There are two good ways to handle corner flashing.

Where to Attach a Patio Roof Ledger Mounting the Patio Roof Ledger Fastening to Masonry Walls Flashing a Patio Roof Ledger A house-attached patio roof takes advantage of the house's structure by ...