This can be under shingles or over metal roofing material.
Install metal roof flashing against brick.
Most flashing is 8 inches wide.
Once the roofing and step flashing are in place complete the counterflashing at the masonry as follows.
However the principles are the s.
Now install the base flashing.
Install metal counterflashing onto the face of the block extending it down to about inch above the shingles.
If the roof runs flat up against the brick.
In order to do that we re going to use the end wall flashing as a guide.
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.
We ve cut our z trims and before we install them we need to know where to place them on the panel.
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.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
Installing the z trim.
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.
Hook a hem at the top into the hem in the edge of the pan flashing inset.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
How to install metal roof flashing against brick step 1.
Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
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.
Choose the appropriate flashing size.
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.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
Oftentimes if you re installing in a re roofing situation you re going to be coming up against vinyl siding brick wood.
Step 3 flashing angled roofs with the step method.
Install base flashing under shingles or over metal roofing material.
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.