Make corner flashing from step flashing.
How to nail roof flashing.
Then sink two nails in the wall near the top one on each face.
Install the underlayment as directed by the manufacturer then set the valley flashing on top of it.
Length to extend 5 in.
Replace the shingles and cover the nail heads with roofing cement.
Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.
Then set the piece down.
For the valley areas of the roof you will be using valley flashing.
Bend the 10 in.
Recaulk the joints between the roof and the flashing.
Before you apply the flashing you ll need to lay down a waterproof membrane.
But it doesn t work that way.
Once you ve shingled up to the sidewall cut a piece of step flashing at a 45ยบ angle from the outside corner to the bent seam.
How to install step flashing with a wall corner step three.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Stack pipes vents and chimneys are surrounded with metal flashing laid over tar.
Once even a small section of roofing cement fails you ll have a leak.
To replace flashing around the vent pipe first remove the shingles covering the flange at the back and sides.
Fasten loose nails and cover exposed nail heads with roofing cement.
Over the roof deck.
Ensure it sits flat and extends at least 8 inches above the shingles.
Nail flashing to roof deck only.
Bend it down and back to sit flat on the corner.
Nail through flashing into shingle do not extend flashing above top of shingle.
Nail it in place with two nails one.
Hammer one nail to the.
Nail pieces of aluminum sheeting over holes that you can stick your finger through to protect roofing over holes from sagging dimpling cracking and leaking.
Up the wall and 5 in.
It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling.
Especially if you live in an area that gets a lot of snow and ice.
Pull or cut off any nails.
Pry and lift off the flashing.
