Roof Ridge Flashing Installation

Open valleys have metal flashing to protect this critical area of the roof.

Roof ridge flashing installation.

Before you begin the ridge cap installation on your metal roof make sure that the eave trim and gable trim are installed. 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. While some skylight manufacturers include flashing in their products sometimes roofing professionals. If you are overlapping ridge cap flashing have a 6 inch overlap.

Move along and chalk line every five or six courses being careful not to damage the underlying roof shingles. 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. 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. 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.

The edge of the roof has thin metal flashing that helps water drip off. Tack it in place being careful not to damage the underlying roof shingles then lay out and nail a course. Videos roofing wrb flashing. Lay out and nail into shingles and repeat five to six courses.

Building ventilation whether by gravity ridge vent power operated fans or other means contributes. Drip edge installation on an existing roof.