Trim the most common flashing for metal roofing is the ridge cap which is used at the peak of a roof where two opposing roof slopes join.
Roof ridge flashing installation.
Lay out and nail into shingles and repeat five to six courses.
Move it up and tack it in place again.
When installing valley flashing start at the bottom remember to allow for overhang as you ll need to cut the valley flashing back to meet eave line if you plan on a 3 overhang for your panels overhang the valley by at least 3 as well and attach with 1 trim screws every 24 on center.
If you are overlapping ridge cap flashing have a 6 inch overlap.
The edge of the roof has thin metal flashing that helps water drip off.
Drip edge installation on an existing roof.
Before you begin the ridge cap installation on your metal roof make sure that the eave trim and gable trim are installed.
The standard lengths for metal roof ridge cap are ten feet to twelve feet long.
Dealing with dips and making clean overlaps metal drip edge flashing is installed on the perimeter of a roof to direct water away from the fascia into the gutters and to keep wind blown rain.
Plywood roof structure counter flashing vapor barrier caulk fastener residential sidewall counter 2 5 8 3 1 2 1 2 1 7 8 profile 1 2 1 2 2 1.
Tack it in place being careful not to damage the underlying roof shingles then lay out and nail a course.
While some skylight manufacturers include flashing in their products sometimes roofing professionals.
Move along and chalk line every five or six courses being careful not to damage the underlying roof shingles.
Open valleys have metal flashing to protect this critical area of the roof.