Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
How do i install flashing on roofs.
Install the underlayment as directed by the manufacturer then set the valley flashing on top of it.
Bent into an l shape.
Click pic to enlarge the video below will show you how to fit lead roof flashing like the ones seen in the picture above.
Apron flashings if you are new to roofing or fitting roof flashings this really is a bread and butter place to start master this and the slightly more difficult flashings like step flashings will seem a lot easier.
Roof shingle over step flashing.
You can choose from v or w shaped types of flashing.
Measure the length of the porch roof joint to determine how much flashing you will need.
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.
When you lay the flashing down make sure it is flush with the drip edges at the bottom of the valley.
This flashing is typically field fabricated from a sheet of 26 ga.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Step flashing redirects the water back onto the shingle.
When fitting cover flashings to a flat roof like the.
Then nail the new l shaped flashing under the builder s felt but above the fascia board.
How to install roof flashing against a wall.
How to install porch roof flashing step 1.
Begin by removing the shingles at the affected area and removing old flashing if present.
Prepare the area where you will install the roof flashing.
If you already have faulty flashing installed you.
Use roofing nails to install the l shaped flashing flush with the roof and wall then cover it with roofing cement and reattach the roofer s felt.
Step flashing on roof peak.
Trim as needed with your tin snips.