The metal flashing must overlap the material not the other way around.
How to secure flashing on roof.
Renew flashing seals by chipping out old caulking and mortar along the edges of the flashing.
Wipe away any sharp edges and corrosion using a stiff bristled brush.
Bend it back so that it.
It s much easier to reseal the flashing than it is to patch a water stained wall or ceiling.
Recaulk the joints between the roof and the flashing.
Ensure it sits flat and extends at least 8 inches above the shingles.
Next cut a piece of flashing that s several inches larger than the hole and secure it overtop of the hole using roof cement.
Before attempting to get to the roof you must make sure that the ladder is secure.
Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent.
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.
Take a second piece of flashing and set it down in place.
Step 1 safely get on the roof to seal your roof flashing you first have to get on the roof.
Next place your vent flashing on top of the membrane.
Re caulk your chimney flashing.
Use special masonry caulk to seal the joints between the flashing and the chimney.
Seal the seam between the cap and step flashing with urethane roofing cement or silicone caulking compound as shown at right.
Renew flashing seals by chipping out the old mortar and caulking along the edges of the flashing.
Fasten loose nails and cover exposed nail heads with roofing cement.
Bend it down and back to sit flat on the corner.
Bend the corner flashing tightly around the corner.
In order to do so safely you will need an extension ladder and rubber soled non slip shoes.
How to install step flashing with a wall corner.
Add another liberal coating of roof cement around the outside edges of the patch to form a water tight barrier.
Nail it in.
