Install metal counterflashing onto the face of the block extending it down to about inch above the shingles.
Install metal roof flashing against brick.
Most flashing is 8 inches wide.
Now install the base flashing.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
This can be under shingles or over metal roofing material.
Install base flashing under shingles or over metal roofing material.
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.
In those instances the best thing to do is remove the siding and run the flashing up against the wall and replace the siding so that you have a watertight finish.
Installing the z trim.
Metal roof flashing is a galvanised sheet metal that is bent at a 90 degree angle about 8 to 12 inches on each side of the angle.
Choose the appropriate flashing size.
Usually 8 inch flashing will work but any size will work well.
In order to do that we re going to use the end wall flashing as a guide.
If the roof runs flat up against the brick.
The second is good the flashing is turned into a deep cut mortar joint about 1 and nails are placed so the head of the nail laps over the bend edge about 3 4 to hold the flashing in place.
We ve cut our z trims and before we install them we need to know where to place them on the panel.
Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
Most important make sure weep vents are included in the mortar at each pan without a way for water to escape all the fancy flashing is for nothing.
Once the roofing and step flashing are in place complete the counterflashing at the masonry as follows.
Hook a hem at the top into the hem in the edge of the pan flashing inset.
I m going to take the end wall flashing put it in place and use a pencil or a sharpie to mark the tops of the ribs and the gable trim just so i know where to put those z s.
Oftentimes if you re installing in a re roofing situation you re going to be coming up against vinyl siding brick wood.
How to install metal roof flashing against brick step 1.
Step 3 flashing angled roofs with the step method.
With the rigidity created by the bent corner and the nail not penetrating the flashing the metal can move more freely when the temps change.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
