Wall To Roof Flashing

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.

Wall to roof flashing.

Use step flashing that has a 2 to 4 inch longer vertical leg than normal. Rain should run off the roof and into the gutter. Roof to wall flashing is bent at a 110. Water damage from splashback is common in wall areas lo cated.

Galvanized steel is a trusted low maintenance product that is known for durability. All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc. Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape. Certain components as depicted in these details may not be provided by the roofing contractor.

At roof to wall intersections see figure 1. For deck flashing. Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling. Do not seal housewrap or building paper to step flashing.

Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall. Under the eaves of a roof with little overhang and no gutters. Roof to wall flashing there have always been problems with the flashing details at head walls rake walls and chimneys especially if stucco brick or stone veneer is used. In wall areas frequented wetted by splashing rain splashback or snow buildup flashing membranes up to 36 inches wide can be used to protect the wall sheathing and structure.

Step flashing protects the gap where roofs meet walls by weaving into the roof shingles. With self adhering membrane is suggested prior to installation of sheet metal saddle flashing. Here s how to install it correctly. The shorter vertical plane is attached to the upper floor wall under the building paper the lower plane sits on top of the underlayment and under the shingles.

L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface. Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require a minimum of 2.