Roof Ridge Flashing Installation

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.

Roof ridge flashing installation.

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. 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. 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.

Open valleys have metal flashing to protect this critical area of the roof. Move along and chalk line every five or six courses being careful not to damage the underlying roof shingles. Move it up and tack it in place again. 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. Other flashings include transition flashing end wall and sidewall flashings and valleys see diagram on right for application. Videos roofing wrb flashing. Lay out and nail into shingles and repeat five to six courses.

The standard lengths for metal roof ridge cap are ten feet to twelve feet long. The edge of the roof has thin metal flashing that helps water drip off.