It should tuck under the sheathing wrap above and over the flashing below.
Brick roof to wall flashing detail.
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.
This forms a reglet similar to detail 9 2a.
The copper counterflashing is inserted into the reglet and held by lead wedges.
This detail shows how new copper flashing is installed in an existing brick wall.
The most important aspect of the counterflashing on a brick chimney is the ability to intercept the water that migrates toward the building from above.
In all cases make sure to detail the flashing membrane so that it sheds water.
Roof to wall intersections.
Under the eaves of a roof with little overhang and no gutters.
Counterflashing also referred to as cap flashing is the first line of defense against water infiltrating your building.
Install base flashing under shingles or over metal roofing material.
Roof to wall and deck to wall flashing www fema gov technical fact sheet no.
23 roof to wall and deck to wall flashing home builder s guide to coastal construction page 1 of 3 purpose.
Below are two photographs of roof wall step flashing completed and effective of a slate roof against a brick wall below left and in process with step flashing against a dormer sidewall before the dormer siding has been put in place below right.
Proper roof wall abutment flashing examples.
The mortar joint between brick courses is raked at least 2 deep.
To emphasize the importance of proper roof and deck flashing and to provide typical and enhanced flashing techniques for coastal homes.
The reglet is then filled with.
Above a lower roof where it abuts the wall.
Follow the photo for illustrated instructions.
So it s critical that you choose the best counterflashing system read more.
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.
Ideally through wall flashing should be installed to intercept this water as intended by the building code.
Where an attached backyard deck meets the house.
Counterflashing is the piece of metal that is applied to the masonry wall designed to shed water off of the wall and down onto the roof surface.
