Edge flashing and starter strip roofs peel off from the edges so it is critical to hold them tight with the roof deck sealed on the outside we turn to flashing the edges with metal and membranes metal drip edge flashing details roofing wrb flashing two ways to flash roof edges.
Proper roof edge flashing.
Storm proof roof 2.
The base flashing is fastened to the roof with cleats spaced a maximum of 12 apart.
Proper roof wall flashing example to install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width.
Kick out flashing is critical where a roof edge meets a sidewall.
Three tips for overlapping drip edge flashing.
The lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing.
Without it roof runoff flows down the wall and possibly into the wall.
Open valleys have metal flashing to protect this critical area of the roof.
For pitched roofs regardless of the application or type of flashing used the purpose of flashing is to direct the flow of water that leaks into the intersection down and away from the interior of the structure to the topside of the roofing material.
In every case the top edge of the flashing passes underneath the underlayment the upper pieces of flashing pass over the lower pieces and the lower edge of the flashing always passes over the top of the roofing material.
Roof drip edge flashing serves multiple functions on a building the foremost of which is to assist water in leaving the roof edge with minimum damage to other building components by directing the water off of the roof and into the gutter.
When lapping the eave metal overlap them so the seam faces away from the direction of prevailing view.
Gently lift up the shingles on the edge of the roof and locate the nails holding the existing drip edge onto.
Click to enlarge any image.
Use a flat pry bar and hammer to pry the nails out of the drip edge gently.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
It can be done.
The cap flashing is set in the mortar joint between bricks.
Once all the underlayment is applied go back and place the roof drip edge flashing along the gable ends of the roof.
Tip 2 is.
The base flashing laps the roof a minimum of 4.
The edge of the roof has thin metal flashing that helps water drip off.
Overlap pieces at least a couple of inches shingle style with pieces higher up on the roof overlapping pieces lower.
This is worst when there is a door or a window below and water can seep behind the trim.
Covering the ends of the ice and water barrier or felt paper with drip edge ensures that windblown rain that gets under the shingles will run over the underlayment not on the sheathing.
