Roof Ridge Flashing Installation

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Roof ridge flashing installation.

The edge of the roof has thin metal flashing that helps water drip off. While some skylight manufacturers include flashing in their products sometimes roofing professionals. Tack it in place being careful not to damage the underlying roof shingles then lay out and nail a course. Drip edge installation on an existing roof.

Other flashings include transition flashing end wall and sidewall flashings and valleys see diagram on right for application. The standard lengths for metal roof ridge cap are ten feet to twelve feet long. Move it up and tack it in place again. 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. Move along and chalk line every five or six courses being careful not to damage the underlying roof shingles. Before you begin the ridge cap installation on your metal roof make sure that the eave trim and gable trim are installed. Building ventilation whether by gravity ridge vent power operated fans or other means contributes.

If you are overlapping ridge cap flashing have a 6 inch overlap. Videos roofing wrb flashing.