Metal Roof Dormer Flashing Details

Once the gable flashing is set in place we can install our first vertical sheet metal panel that comprises standing seam system.

Metal roof dormer flashing details.

Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. The first piece of step flashing should turn the corner and extend over the base flashing. Drip edge installation on an existing roof. Videos roofing wrb flashing.

Roof flashing is critical to keeping a house dry but people often get it wrong. Lay a bead of roofing cement along the top of the shingle course just below the dormer and bed the base flashing into it. In our case we are working with a snap lock standing seam roofing system with concealed fasteners. Flashing is installed to surround roof features such as vents chimneys and skylights.

Metal roofing is a. In this article veteran remodeler mike guertin shows how to flash a dormer with bombproof details. While the gold standard for roof flashing is soldered copper the fact is that for economic reasons the vast majority of roof flashing is done with aluminum. There are several reasons for it.

Install shingles to the base of the dormer notching the end piece appropriately.