How To Flash A Metal Roof Dormer

Remove the paper from the first piece and press onto cheek membrane piece.

How to flash a metal roof dormer.

I have my valley custom made with water trough to help with leaking b. Bend the corner flashing tightly around the corner. Two ways to flash roof edges protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. For photos and the four steps to flash a dormer click the view pdf button below.

Because this type of metal flashing can t be soldered making a leak proof joint where the flashing turns the corner at the bottom of the dormer called for special attention but i have a detail that handled the situation nicely. The top joinery of both valleys when they meet on the same plane of roof is shown here. Flashing a dormer in prattville al. 3 install roof shingles to the base of the dormer notching around the corners as needed.

If you do not wish to form your own corner flashing you can buy pre bent pieces and cut them to size or use a piece of corrugated aluminum which is easier to bend. Place this in the valley on each side of a gable roof one edge laid on the gable roof with the other side nailed flat on the. Install metal flashing at every dormer roof to main roof connection. Step flashing on roof peak.

Roof shingle over step flashing. One common method is to lay the edge metal under the eaves membrane and over the rake details concrete masonry roofing wrb flashing. Since most ordinary homeowners do not have all the necessary know how or significant knowledge of basic roofing principles along with experience of working on an actual roof all day in the sun with the sweat pouring down the face as you work on flashing all the dormers chimneys and roof vents or shingling away for hours on end and doing it right taking on the installation of a metal roof. Lay a bead of roofing cement along the shingles just below the dormer and bed the metal base flashing into it.