The current flashing details in the 2013 international residential code irc for sloped roof wall intersections are very difficult to construct.
Brick wall to roof detail.
W taped joints veneer ties.
There have always been problems with the flashing details at the roof to wall intersections of head walls rake walls and chimneys especially if brick or stone veneer or stucco is used.
Wall system brick veneer cmu backup rigid insulation w taped joints veneer ties november 30 2015 01 030 0231.
Flat roof and flashing against brick wall install base flashing under shingles or over metal roofing material.
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.
As a result most typical construction does not use any type of through the wall flashing which results in leaky wall complaints.
Detail 2 3 brick veneer concrete block detail at low parapet with protected roof membrane detail 2 4 brick veneer concrete block detail at high parapet detail 2 5 brick veneer concrete block detail at high parapet.
Roof detail high wall low roof 01 030 0804.
Roof detail pitched roof to high wall 01 030 0751.
Brick veneer cmu backup rigid insul.
Follow the photo for illustrated instructions.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
Detail for attachment to metal panel siding or fascia.
If the roof runs flat up against the brick wall you must install the roof side of the flashing either under the last layer of shingles or over the roof material if it is metal.
Wall system brick block wall 2in spray foam.
Exterior wall parapet rafters prep.