At roof to wall intersections see figure 1.
Flashing roof to wall intersections.
Install step and kick out flashing at all roof wall intersections to protect walls from water intrusion and install boot or collar flashing at all roof penetrations to protect roofs from leaks.
Kick out flashing should be installed at the end of a roof wall intersection to divert water away from the wall and into gutters.
I cut the tape so that it laps onto the housewrap above and 3 in.
Most mason contractors are diligently installing flashing and weep holes at the base of walls as well as at the window head and sill.
The flashing extends up the wall at least 4.
Our page top photograph illustrates a successful installation of flashing and counter flashing along intersection of a roof surface with the side of a brick constructed dormer.
Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it.
Flashing joints are lapped 6 in the direction of water flow.
Do not seal housewrap or building paper to step flashing.
Roof shingles should be installed over the portion of step flashing on the roof.
Flexible flashing tape seals the eave to the wall.
Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
Proper installation of flashing and counter flashing at the intersection of a vertical wall with a roof surface is required to avoid roof leaks.
Step and kickout flashing should be installed at all roof wall intersections to protect the wall and divert rainwater runoff into a gutter.
Repair any damaged sheathing and framing.
The metal flashing is formed with a hook edge and cleated on 12 centers.
Use step flashing that has a 2 to 4 inch longer vertical leg than normal.
If the roof is metal or rubber membrane continuous flashing should be used rather than pieces of step flashing.
Above the roof sheathing.
