11 Best Of How To Install Flashing On A Porch Roof New Update 2021. You can also use pop rivets. Install drip edge flashing to the lower edge of the roof and step flashing at the house wall.
How to Install Roof Flashing Against a Wall. In order to properly install new flashing youll have to remove the shingles surrounding your old flashing and then re-lay them after installation. I fold a piece of metal flashing for the inside corner between the subfascia and the wall.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
I then add a second piece of flexible flashing tape to cover the open corner of the metal flashing and I fold it down onto the subfascia. If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 12-inch. Try to keep the nails as flush as possible to the edges. Most builders use 3-tab asphalt shingles that match the house shingles for porches.