How To Nail Roof Flashing

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.

How to nail roof flashing.

It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. But it doesn t work that way. It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling. Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.

Nail it in place with two nails one. Length to extend 5 in. Recaulk the joints between the roof and the flashing. Ensure it sits flat and extends at least 8 inches above the shingles.

Fasten loose nails and cover exposed nail heads with roofing cement. Before you apply the flashing you ll need to lay down a waterproof membrane. Once you ve shingled up to the sidewall cut a piece of step flashing at a 45º angle from the outside corner to the bent seam. Up the wall and 5 in.

For the valley areas of the roof you will be using valley flashing. To replace flashing around the vent pipe first remove the shingles covering the flange at the back and sides. Then set the piece down. Bend it down and back to sit flat on the corner.

Especially if you live in an area that gets a lot of snow and ice. Stack pipes vents and chimneys are surrounded with metal flashing laid over tar. Pull or cut off any nails. Install the underlayment as directed by the manufacturer then set the valley flashing on top of it.

Over the roof deck. Then sink two nails in the wall near the top one on each face. How to install step flashing with a wall corner step three. Bend it back so that it overlaps the corner flashing.

Once even a small section of roofing cement fails you ll have a leak. Make corner flashing from step flashing. Nail through flashing into shingle do not extend flashing above top of shingle. Nail flashing to roof deck only.

Replace the shingles and cover the nail heads with roofing cement. Bend the 10 in. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.