Except where walls are brick the vertical part of the sidewall flashing should extend up behind the exterior wall covering just like with headwalls.
Roof flashing against brick wall.
So it s critical that you choose the best counterflashing system for your roofing project.
You have to install the roof side of the flashing either under the last layer of shingles or over the roof materials if the roof runs flat up against a brick wall.
Counterflashing also referred to as cap flashing is the first line of defense against water infiltrating your building.
Usually 8 inch flashing will work but any size will work well.
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.
You need step flashing which is metal flashing that is in an l shape.
It takes coordination between the masons and roofers and it requires lots of custom fabricated metal flashing with soldered joints.
Here s how to install it correctly.
It is simply a piece of metal liad to the wall and held in place with masonry nails and caulked.
If the roof runs flat up against the brick.
Choose the appropriate flashing size.
Hot and cold weather will make the caulk fail when the metal buckles between nails.
Step flashing protects the gap where roofs meet walls by weaving into the roof shingles.
To collect water that penetrates brick veneer and to direct it back to the exterior of the wall section r703 8 flashing states approved corrosion resistant flashing shall be applied shingle fashion shall extend to the surface of the exterior wall finish figure 2.
Posted june 10 2019by james fick.
At the bottom of the roof water needs to be directed.
Step 3 flashing angled roofs with the step method you can use the step method to flash an angled roof.
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.
How to install metal roof flashing against brick step 1.
Kickout flashing keeps water out of walls rain should run off the roof and into the gutter.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
Install base flashing under shingles or over metal roofing material.
The first of three labeled not good ids the least desirable way to set flashing to a wall but it is done everywhere.
Sidewall flashing a sidewall is a junction between a wall and a sloped portion of a roof.
Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.
