Roof To Wall Siding Flashing

Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.

Roof to wall siding flashing.

I cut the tape so that it laps onto the housewrap above and 3 in. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall.

At roof to wall intersections see figure 1. Above the roof sheathing. The flashing needs to be installed before installing the roof shingles the metal flashing is formed with a hook edge and cleated on 12 centers the flashing extends up the wall at least 4 the flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. Install roofing felt before starting step flashing.

Multiple pieces of the flashing will be installed in layers with shingles to ensure the water flows away from the wall. If your house has a roof line that extends past a corner of two walls make the first piece of step flashing a corner. The solution to rotting sidewalls is a small piece of bent metal called a kickout flashing at roofing suppliers which simply directs all that water away from the wall. Do not seal housewrap or building paper to step flashing.

Likewise a 10 wide flashing will result in a 5 inch wide roof deck flange and a 5 inch vertical flange. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it. The roofing contractors usually try to slide the roof flashing up behind lapped siding but many times this can be a chore and sometimes the exterior wall covering and or the existing water resistive barrier house wrap gets damaged in the process. Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.

Learn how to install it below. I made this video this morning and i hope it help explain the flashing wall detail where the siding meets the roof. It is used for roof to wall flashing. For deck flashing.

Run roofing felt up the wall about an inch higher than the wall side. Flexible flashing tape seals the eave to the wall. Install the kickout flashing. However the typical recommended width of step flashing ranges from 5 inches to 10 inches.

Use step flashing that has a 2 to 4 inch longer vertical leg than normal. Most flashing is 8 inches wide.