Once the shingles have been installed lay the base flashing around the base of the chimney approximately 4 past each end.
Install flashing on porch roof.
In order to properly install new flashing you ll have to remove the shingles surrounding your old flashing and then re lay them after installation.
Then set the piece down.
Installing your roof flashing is going to be slightly different depending on the specific type that you re installing.
Hammer one nail to the.
How to flash a porch addition 1.
The flashing on the wall should be flush against it and the porch roof portion should be on top of the shingles.
Now notch the first step flashing so that it.
Put on a pair of leather palm gloves to avoid injuries from the sharp edges of the metal flashing.
Lay the cut flashing down at the corner.
Nail it in place with two nails one.
Bend it back so that it overlaps the corner flashing.
If you already have faulty flashing installed you.
Nail the flashing securely in place using roofing nails.
Measure the length of the porch roof joint to determine how much flashing you will need.
Flash the corner first if applicable.
How to install step flashing with a wall corner step three.
Flashing is generally installed at any joints or edges in the roof where water could otherwise work its way in.
Step flashing for chimneys.
Ensure it sits flat and extends at least 8 inches above the shingles.
Prepare the area where you will install the roof flashing.
Typically flashing is installed using roofing nails and roofing cement.