Here s how to do it right the first time.
How to nail flashing on a roof.
Cut a piece of 3 by 4 inch galvanized z flashing to length or use a full piece if the ledger is longer than 10 feet.
Nail the drip edge in place using your hammer and roofing nails.
The wall portion of the flashing should be flush against the exterior wall and the shingle portion of the flashing should be on top of the porch roof shingles.
Longer than the shingle s exposure.
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.
To replace flashing around the vent pipe first remove the shingles covering the flange at the back and sides.
Bend it down and back to sit flat on the corner.
Pry and lift off the flashing.
Bend the corner flashing tightly around the corner.
Make corner flashing from step flashing.
Fasten loose nails and cover exposed nail heads with roofing cement.
Install new flashing metal flashing is often called drip edge along the bottom of the roof near your gutters.
Recaulk the joints between the roof and the flashing.
Step 8 nail the flashing into place using galvanized roofing nails.
How to nail deck flashing.
Wide and 2 in.
This allows the flashing to overhang 4 inches at each end of the ledger.
Always install flashing around a chimney and other valleys where two roof planes meet as these areas are more prone to leaks if not protected.
Cover tops of step.
Measure the length of the ledger board and add 8 inches.
Ensure it sits flat and extends at least 8 inches above the shingles.
Position the flashing in the joint between the house and the porch roof.
Cut step flashing pieces to be 10 in.
Nail it in place with two nails one on each side of the top edge.
Pull or cut off any nails.
Nail flashing to roof deck only.
Step flashing on roof peak step three.
Position a new vent pipe flashing over the vent push it down into place and nail where shingles will cover it.
Then sink two nails in the wall near the top one on each face.
