The Counter Flashing At A Roof To Wall Intersection Is

Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5.

The counter flashing at a roof to wall intersection is.

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. Epdm flashing tape with a butyl adhesive backing will help. Roof to wall and deck to wall flashing www fema gov.

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. Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape. Here s how to install it correctly.

However typically in gables the flashing installed consists of a base flashing and a counter flashing. Install kick out flashing at the end of a roof wall intersection to divert water away from the wall and into gutters. Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall. 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.

Ensure that the kick out flashing is large enough to handle expected storm water flows. When installing metal or rubber membrane roofs use continuous flashing rather than pieces of step flashing. But flashing that extends through the veneer and weep holes are often omitted.