Cut the flashing with tin snips if you need to cut it.
Installation of flashing at roof break.
These types of flashing are known as step flashing and turn back flashing.
You ll have a steeper part of your roof turning into a lower slope so there s a steeper pitch up top and a lower pitch on the bottom.
Before running the first row of shingles install a piece of step flashing along the sidewall so that it sits tightly against the roof.
Use a metal break tool to bend the flashing according to the angle of the roof joint.
Make sure to install flashing around the chimneys and walls.
Roof shingle over step flashing.
How to install porch roof flashing step 1.
You will also need rake edge flashing for the sides of the roof.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Step flashing step flashing redirects the water back onto the shingle.
Bend the corner flashing tightly around the corner.
Measure the length of the porch roof joint to determine how much flashing you will need.
And be capped on top with either a preformed metal drip cap or a custom flashing installed under the sheathing wrap.
Nail metal flashing called drip edge along the bottom edge of the roof deck near the gutters.
If you already have faulty flashing installed you.
How to install roof flashing against a wall.
Now we re going to look at something that does happen quite often.
Flashing is generally 8 inches wide with 4 inches going on the wall of the house and 4 inches going on the top of the roof shingles.
Apply a thin bead of silicone around the opening of the vent pipe area and lay the membrane in place.
Learn more about the installation of pitch transition trim by watching the short video or reading the transcript below.
Align the step flashing with the leading edge of the starter course and nail it in place using one nail in the upper corner.
You need to make a bend of 10 degrees one half inch from the edge.
Prepare the area where you will install the roof flashing.
If you do not wish to form your own corner flashing you can buy pre bent pieces and cut them to size or use a piece of corrugated aluminum which is easier to bend.
There s no need to nail more than this and don t nail through the flashing into the shingle as this will introduce a potential leak to the roof.
The water table should overlap the foundation by about 1 in.
Cut a slit in the sheathing wrap along the entire length of the water table and slip the upper leg of the flashing under the wrap see illustration.
Step flashing on roof peak.
Next place your vent flashing on top of the membrane.
