Prepare the area where you will install the roof flashing.
How to install wall to roof flashing with nails.
If you already have faulty flashing installed you must remove it.
Position the upper edge of each piece against the underside of the siding and attach the strips with a 6d.
For sheer wall drive pairs of nails 6 inches.
How to install roof flashing against a wall.
Begin by removing the shingles at the affected area and removing old flashing if present.
Install your underlayment completely and your shingles up to where the wall begins so that the first piece of flashing or the corner flashing will rest on a shingle.
It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling.
Step flashing is preferred over continuous flashing for roof flashing where the roof meets the wall.
For areas where the walls meet the roof you will need to use the step flashing technique but you will need kickout flashing in other areas.
There are various ways to do roof flashing depending on which part of the roof you are flashing.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
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.
It is important that you use the right method when you install flashing.
Materials needed for roof flashing where roof meets wall.
Attach the upper fin of the flashing to the sheer wall or exposed wood framing at the building with 1 1 2 inch galvanized roofing nails and a hammer.
Step flashing is a piece of metal sheet bent square at 90 degrees.
Fasten loose nails and cover exposed nail heads with roofing cement.
Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.
Recaulk the joints between the roof and the flashing.
Metal flashing also called roof flashing goes against a stucco wall to protect it from water damage.
Measure the length of the porch roof joint to determine how much flashing you will need.
Badly corroded flashing will need to be replaced.
Install one by two redwood along the underside of the siding from end to end at the wall.
To make corner flashing take your tin snips and cut a 45 degree line from an outside corner to the center fold.
How to install porch roof flashing.