It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling.
Roof to wall flashing.
Fasten loose nails and cover exposed nail heads with roofing cement.
One common method is to lay the edge metal under the eaves membrane and over the rake.
Roofing cement can dry out and crumble away exposing joints to water.
Roof to wall flashing is bent at a 110.
Galvanized steel is a trusted low maintenance product that is known for durability.
Details concrete masonry roofing wrb flashing.
Must be kept up off the surface of the roof a minimum 1 some manufacturers of exterior wall coverings require a minimum of 2.
Flashing is installed to surround roof features such as vents chimneys and skylights.
Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing.
Use step flashing that has a 2 to 4 inch longer vertical leg than normal.
Badly corroded flashing will need to be replaced.
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.
Do not seal housewrap or building paper to step flashing.
Two ways to flash roof edges.
At roof to wall intersections see figure 1.
L shaped flashing is a versatile general use flashing used where a uniform or strengthened finish is needed on a 90 surface.
All exterior wall coverings whether it is wood siding vinyl siding brick or stone veneer stucco etc.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
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.
Recaulk the joints between the roof and the flashing.
To install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width.
Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.
