But flashing that extends through the veneer and weep holes are often omitted.
The counter flashing at a roof to wall intersection is.
Epdm flashing tape with a butyl adhesive backing will help.
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.
However typically in gables the flashing installed consists of a base flashing and a counter flashing.
Here s how to install it correctly.
Most mason contractors are diligently installing flashing and weep holes at the base of walls as well as at the window head and sill.
Roof to wall and deck to wall flashing www fema gov.
When installing metal or rubber membrane roofs use continuous flashing rather than pieces of step flashing.
Most simply use a nominal 6 piece of lumber.
Install kick out flashing at the end of a roof wall intersection to divert water away from the wall and into gutters.
The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.
Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling.
Use step flashing that has a 2 to 4 inch longer vertical leg than normal.
Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.
At roof to wall intersections see figure 1.
Proper installation of flashing and counter flashing at the intersection of a vertical wall with a roof surface is required to avoid roof leaks.
