Bend the corner flashing tightly around the corner.
Installing l flashing on roof.
Completing a professional grade step flashing installation is important.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
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.
Then nail the new l shaped flashing under the builder s felt but above the fascia board.
This how to video explores proper roof flashing installation for shingle roofing applications.
Flashing is installed to surround roof features such as vents.
If you purchase the flashing flat you will have to mold each piece yourself.
You continue this process around the length of the chimney cutting each step flashing to fit.
Begin by removing the shingles at the affected area and removing old flashing if present.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
Under the base part of the flashing use plastic roofing cement and finish attaching it to the roof with galvanized roofing nails.
The top piece that bends around the chimney is left unattached.
Step flashing can be purchase pre molded into the l shape or flat.
Step flashing on roof peak.
Step flashing is installed where the roof and the side wall meet to defend against water penetration.
