Roof Edge Flashing Installation

Overlap pieces at least a couple of inches shingle style with pieces higher up on the roof overlapping pieces lower.

Roof edge flashing installation.

Start with the ice barrier in climate zones prone to ice damming code requires that a self adhering ice barrier. The best way is to install the roof drip edge only along the eaves first then place ice and water barrier in the snowbelt or felt paper underlayment over the drip edge. Start the installation at the lower edge of the roof and work your way up toward the peak. Three tips for overlapping drip edge flashing.

At the eaves when installing the drip edge on top the underlayment a 4 inch wide layer of asphalt roof cement complying with the astm d4586 type i or type ii is required. Install roof drip edge along the eaves add underlayment then place drip edge along the gable end. Flashing is installed to surround roof features such as vents chimneys and skylights. After you ve correctly installed the valley flashing you can install the drip edge which is corner shaped and will be attached with nails along the edge of the roof.

Add the drip edge while it may be a common practice to install drip edge tight to the fascia silva advocates for a. The drip edge should be nailed beneath the builder s felt but over the fascia board. Lift the shingles and slide the top flange of the drip edge underneath. The drip edge should be installed on top of the underlayment at all rakes and below or on top of the underlayment at the eaves.

Drive the nail through the drip edge into the roof surface not through the fascia. How to install drip edge flashing to a new roof to install a drip edge on a newly constructed roof or on a re roofing job attach the drip edge along the roof s eaves first. Tack the edge in place with a roofing nail every foot or so. Cover the nail heads with roofing cement and stick the felt down.

The roof leg should extend a minimum of 2 back onto the roof sheathing. Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. While the vertical leg should be placed 1 4 1 2 away from the fascia. How to install drip edge and step flashing 1.