Metal Roof Dormer Flashing Details

There are several reasons for it.

Metal roof dormer flashing details.

Dealing with dips and making clean overlaps metal drip edge flashing is installed on the perimeter of a roof to direct water away from the fascia into the gutters and to keep wind blown rain. In our case we are working with a snap lock standing seam roofing system with concealed fasteners. The gable flashing gets installed along the gable rake in the similar way to starter flashing. 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.

Once the gable flashing is set in place we can install our first vertical sheet metal panel that comprises standing seam system. Lay a bead of roofing cement along the top of the shingle course just below the dormer and bed the base flashing into it. The first piece of step flashing should turn the corner and extend over the base flashing. 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.

Install shingles to the base of the dormer notching the end piece appropriately. Metal roofing is a. Roof flashing is critical to keeping a house dry but people often get it wrong. Apr 4 2018 metal roof dormer flashing details metal roof is becoming a very popular choice for many homeowners.

In this article veteran remodeler mike guertin shows how to flash a dormer with bombproof details.