Roof Wall Flashing Installation

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.

You can see what a nice clean look it provides. Tape over the cut in the housewrap with housewrap tape. You can also use pop rivets. 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.

I m going to install one between each panel directly in the center. Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of. Before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof. In order to properly install new flashing you ll have to remove the shingles surrounding your old flashing and then re lay them after installation.

Some types of roofing materials like concrete tile incorporate a continuous sheet of metal flashing at sidewalls. How to install roof flashing against a wall. 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. Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in.

Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner. With the end wall flashing in place i use stitch screws to attach it to the z trim and to the gable trim. 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. Typically flashing is installed using roofing nails and roofing cement.

We have a one inch bend down on either gable and we can fasten this using stitch screws. Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Step flashing step flashing redirects the water back onto the shingle. To make corner flashing take your tin snips and cut a 45 degree line from an outside corner to the center fold.

Prepare the area where you will install the roof flashing. Now install the kickout flashing and step flashings up the roof as needed. 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. If you already have faulty flashing installed you must remove it.