If siding on the house wall abuts the porch roof joint the lowest strip should be removed to install the flashing underneath.
Roof wall flashing installation.
Tape over the cut in the housewrap with housewrap tape.
Step flashing step flashing redirects the water back onto the shingle.
Typically flashing is installed using roofing nails and roofing cement.
The wall leg of the kickout should be applied over the housewrap cut a 2 ft square piece of housewrap and tuck one edge into the horizontal cut the same one the first piece of housewrap was slipped into and up under the housewrap on the wall by at least 5 in.
Before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing details roofing wrb flashing two ways to flash roof edges.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
If you already have faulty flashing installed you must remove it.
There s no need to nail more than this and don t nail through the flashing into the shingle as this will introduce a potential leak to the roof.
How to install roof flashing against a wall.
You can see what a nice clean look it provides.
Now install the kickout flashing and step flashings up the roof as needed.
With the end wall flashing in place i use stitch screws to attach it to the z trim and to the gable trim.
We have a one inch bend down on either gable and we can fasten this using stitch screws.
Prepare the area where you will install the roof flashing.
Install your underlayment completely and your shingles up to where the wall begins so that the first piece of flashing or the corner flashing will rest on a shingle.
Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
However the principles are the s.
I m going to install one between each panel directly in the center.
Installation of a continuous sheet of metal flashing from the top of the roof to the bottom of the roof in lieu of step flashing is not a correct method of installation in many instances.
Some types of roofing materials like concrete tile incorporate a continuous sheet of metal flashing at sidewalls.
