Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
How to nail roof flashing.
Ensure it sits flat and extends at least 8 inches above the shingles.
Once even a small section of roofing cement fails you ll have a leak.
Bend it down and back to sit flat on the corner.
Nail it in place with two nails one.
Recaulk the joints between the roof and the flashing.
Bend the 10 in.
Especially if you live in an area that gets a lot of snow and ice.
Then set the piece down.
But it doesn t work that way.
Length to extend 5 in.
How to install step flashing with a wall corner step three.
Make corner flashing from step flashing.
It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing.
Position a new vent pipe flashing over the vent push it down into place and nail where shingles will cover it.
For the valley areas of the roof you will be using valley flashing.
Hammer one nail to the.
Pull or cut off any nails.
Over the roof deck.
To replace flashing around the vent pipe first remove the shingles covering the flange at the back and sides.
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.
Replace the shingles and cover the nail heads with roofing cement.
Install the underlayment as directed by the manufacturer then set the valley flashing on top of it.
Before you apply the flashing you ll need to lay down a waterproof membrane.
Nail through flashing into shingle do not extend flashing above top of shingle.
Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.
Pry and lift off the flashing.
Fasten loose nails and cover exposed nail heads with roofing cement.
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.
Bend it back so that it overlaps the corner flashing.
Stack pipes vents and chimneys are surrounded with metal flashing laid over tar.
Nail flashing to roof deck only.
