How To Flash A Metal Roof To A Vertical Wall
Step flashing on roof peak.
How to flash a metal roof to a vertical wall. Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. Most simply use a nominal 6 piece of lumber. The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material. 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.
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. The video features union s advantage lok ii standing seam roofing panel which is. Chalk a straight line about 2 inches above the back of the base flashing. Bend the corner flashing tightly around the corner.
Using the circular saw and masonry blade cut a slot about 1 5 inches into the brick so that the overlapping flashing or counter flashing will slide into the slot. I fold a piece of metal flashing for the inside corner between the subfascia and the wall. This video shows how to install endwall flashing with standing seam panels. One common method is to lay the edge metal under the eaves membrane and over the rake.
Roof shingle over step flashing. Caulk the slot after the flashing has been installed. A vertical cut about 2 in. Two ways to flash roof edges.
I m going to install one between each panel directly in the center. With the end wall flashing in place i use stitch screws to attach it to the z trim and to the gable trim. 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. The exterior wall covering material is then kept off the surface of the roof.