How To Flash Dormer Metal Roofing Transition

Not only was the transition flashing not done but the outcome was far worse due to the size of the roof.

How to flash dormer metal roofing transition. Just simple 3d animated digital instructions on how to install transition trim on a masterrib metal roof. Dormer flashings on the high side of the dormer into the panel that transitions require valley detailing at the correct width flat panning at the high side of the dormer and tying the transition back into the downward slope. Two ways to flash roof edges. Measure 1 1 2 from bottom edge of transition flashing.

Details concrete masonry roofing wrb flashing. The piece that allows us to join the two different slopes is the pitch transition trim. Roof shingle over step flashing. Ideally this custom flashing will have soldered corners but if not carefully notch the metal at the dormer corners and wrap the vertical leg around the corner onto the side wall.

Masterrib is a 36 w. 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. He got what he paid for. A cheap metal roof.

Larger roofs can lead to larger problems. The next picture shows that those problems can be multiplied when the roof is larger. Lay a bead of roofing cement along the shingles just below the dormer and bed the metal base flashing into it. One common method is to lay the edge metal under the eaves membrane and over the rake.

We don t think the owner was expecting this outcome. The piece that s going to allow us to join the panels on the lower slope and the panels on the higher slope is the pitch transition flashing or the pitch change trim. It s the same piece and i m going to show you how to install that now. Install bottom roofing panels first.

After bottom roofing panels have been installed set one piece of transition flashing down where the top portion. Step flashing on roof peak. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.