Cut an angle with tin snips on one side of the flashing piece from an end.
Installing flashing on porch roof.
Especially if you live in an area that gets a lot of snow and ice.
Install the flashing place the flashing between the joint of the house and the roof.
How to install porch roof flashing step 1.
Nail the flashing securely in place using roofing nails.
Flash the corner first if applicable.
Measure the length of the porch roof joint to determine how much flashing you will need.
Before you apply the flashing you ll need to lay down a waterproof membrane.
Prepare the area where you will install the roof flashing.
Lay the cut flashing down at the corner.
How to flash a porch addition 1.
For the valley areas of the roof you will be using valley flashing.
If you already have faulty flashing installed you.