Start with the ice barrier in climate zones prone to ice damming code requires that a self adhering ice barrier.
Roof edge flashing installation.
Add the drip edge while it may be a common practice to install drip edge tight to the fascia silva advocates for a.
Install roof drip edge along the eaves add underlayment then place drip edge along the gable end.
How to install drip edge and step flashing 1.
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.
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.
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.
Lift the shingles and slide the top flange of the drip edge underneath.
Roof drip edge flashing corner detail.
When lapping the eave metal overlap them so the seam faces away from the direction of prevailing view.
Overlap pieces at least a couple of inches shingle style with pieces higher up on the roof overlapping pieces lower.
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.
The roof leg should extend a minimum of 2 back onto the roof sheathing.
Tip 2 is.
Three tips for overlapping drip edge flashing.
Start the installation at the lower edge of the roof and work your way up toward the peak.
Flashing is installed to surround roof features such as vents chimneys and skylights.
Tack the edge in place with a roofing nail every foot or so.
While the vertical leg should be placed 1 4 1 2 away from the fascia.
The drip edge should be nailed beneath the builder s felt but over the fascia board.