Roof To Wall Intersection Flashing

Figure 1 apron flashing at roof wall junction horizontal flashing.

Roof to wall intersection flashing.

Step and kickout flashing should be installed at all roof wall intersections to protect the wall and divert rainwater runoff into a gutter. Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it. Do not seal housewrap or building paper to step flashing. I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall.

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. Proper installation of flashing and counter flashing at the intersection of a vertical wall with a roof surface is required to avoid roof leaks. Thru wall flashing originates with a vertical leg in contact with the exterior sheathing tucked or shingled up under the house wrap and a horizontal leg that extends all the way through the masonry to the exterior surface of the wall. Step 1 flashing 1 is a typical apron roof flashing.

Use step flashing that has a 2 to 4 inch longer vertical leg than normal. Product overview the gibraltar roof to wall flashing is made from trusted 28 gauge galvanized steel. If there is no metal flashing installed at the wall roof intersection or if the existing flashing is damaged improperly installed or allowing water to damage the wall remove the siding and any existing flashing to expose at least 8 inches of the wall. It is designed to cover and protect roof to wall intersections from water infiltration.

The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. The metal flashing is formed with a hook edge and cleated on 12 centers. Repair any damaged sheathing and framing. Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.

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. Flashing joints are lapped 6 in the direction of water flow. Roof to wall flashing is bent at a 110.

Flexible flashing tape seals the eave to the wall. 82 build supplement flashingssection 4 roof wall intersections. 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. I cut the tape so that it laps onto the housewrap above and 3 in.

The flashing upstand is carried up under the cladding and wall underlay and the ridge flashing roofing flashing junction ridge flashing barge flashing stop end required to end of apron flashing.