Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
Flashing porch roof to asfault roof.
You need to make a bend of 10 degrees one half inch from the edge.
Notice in the image above that the end of an asphalt roof extends outward just a bit covering and protecting the wood beneath it as it should.
Use a metal break tool to bend the flashing according to the angle of the roof joint.
Open valleys have metal flashing to protect this critical area of the roof.
Position the flashing with the lower edges atop the carport roof panels along the transition.
Cut the flashing with tin snips if you need to cut it.
The corner cut should be facing upwards.
Most flashing is 8 inches wide.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
The decorative trim under the roof is not covered up with flashing.
The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak.
Lay the cut flashing down at the corner over a shingle that is already in place.
Don t mistake this condition for headwall flashing routed beneath the shingles and call it a defect.
Flashing should overlap the roof covering material but on asphalt shingle roofs for aesthetic reasons the part of the headwall flashing that extends down over asphalt shingles is often covered with a course of shingle tabs.
While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.
Flashing is generally 8 inches wide with 4 inches going on the wall of the house and 4 inches going on the top of the roof shingles.
Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
The wood beneath it is called the fascia board or rake of the gable the fascia board is colored in blue in the image above.
Nail the upper edges of the flashing to the roof sheathing where the shingles were removed with 6 penny.
