How To Flash Dormer Metal Roofing Abc

With the end wall flashing in place i use stitch screws to attach it to the z trim and to the gable trim.

How to flash dormer metal roofing abc. Flap to bend around the front of the dormer. Add shingles and additional step. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. If you look here at the lower slope roof you can see that we ve already put panel on it and installed z trim as we have been doing elsewhere on this project.

For photos and the four steps to flash a dormer click the view pdf button below. Here s a step by step look at how to flash a dormer so that water is carried away from those vulnerable areas. Metal flashing can t be soldered making a leakproof 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. Apply peel and stick membrane to the front wall of the dormer making sure it overlaps the roof underlayment and wraps up onto the wall 6 or 8 inches.

Run the base flashing 4 to 5 in. Nail along its upper edge. It s very important to make sure that you grab the z channel that s below and make sure that you re in the outside leg of the z channel. I m going to install one between each panel directly in the center.

Two ways to flash roof edges. Notch the first step flashing leaving a 1 in. Bend the flap down and nail along the top edge. Editorial adviser mike guertin is a builder and remodeler from east greenwich r i.

Beyond the dormer and cut the top section along the dormer edge. One common method is to lay the edge metal under the eaves membrane and over the rake. 1 install roof underlayment up to the dormer cutting it a few inches short of the roof wall joints at the front and side walls. 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.

Our host david mackey discusses techniques used in installing valley panel using the sl 16 standing seam roofing system from american building components.