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.
Roof to wall flashing detail.
Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5.
Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
Top edge of adhesive membrane is taped to drainage plane with sheathing tape.
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.
7 2 and 7 3 for rake and eave details.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.
Use step flashing that has a 2 to 4 inch longer vertical leg than normal.
Most simply use a nominal 6 piece of lumber.
At roof to wall intersections see figure 1.
Roof to wall flashing with foam sheathing upturned leg of step flashing sealed to wall drainage plane with adhesive membrane.
See fact sheet nos.
Flashing is installed to surround roof features such as vents chimneys and skylights.
Step flashing to a brick wall involves.
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.
Roof to wall flashing is bent at a 110.
Alternatively a cap flashing can be regletted into the foam sheathing with tape forming a transition to the cap flashing.
Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.
Do not seal housewrap or building paper to step flashing.
Illustrates durable roof flashing details and shows how to flash roofs right in the real world.
