The first bending two pieces and caulking the joint photos 1 3 is the most common because you can do it on the spot with the flashing at hand.
How to add corner roof flashing.
Ensure it sits flat and extends at least 8 inches above the shingles.
Next place your vent flashing on top of the membrane.
How to install step flashing with a wall corner step three.
Nail it in place with two nails one.
Hammer one nail to the.
Apply a thin bead of silicone around the opening of the vent pipe area and lay the membrane in place.
Begin by removing the shingles at the affected area and removing old flashing if present.
Cut some membrane material to seal between the vent flashing and the roof and cut an opening for the vent.
Use roofing nails to install the l shaped flashing flush with the roof and wall then cover it with roofing cement and reattach the roofer s felt.
The metal flashing must overlap the material not the other way around.
Run the base flashing 4 to 5 in.
Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
There are two good ways to handle corner flashing.
3 mark the flashing at the corner using a.
Move the piece of wall or roof edge flashing either way as necessary so one end extends 16 inches beyond the corner of the wall or the roof sheathing.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
Beyond the dormer and cut the top section along the dormer edge.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
Bend the flap down and nail along the top edge.
Bend it back so that it overlaps the corner flashing.
