Apply the wall flashing over the roof flashing and termination bar.
Lower roof flashing detail.
However in low slope roofing systems it is easier for water to accumulate.
These systems rely on overlapping elements roofing felts shingles tiles and flashing details to redirect the rainfall.
This detail shows the use of copper cap flashing extending over copper base flashing at the intersection of a shed roof with a masonry wall.
Both the wall flashing and roof flashing should be fully adhered to the wall substrate.
Roofing cad details and other resources.
Flashing is installed to surround roof features such as vents chimneys and skylights.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
If installed along the foundation the membrane should cover the joint where the sill meets the foundation.
The flashing extends up the wall at least 4.
Flashing joints are lapped 6 in the direction of water flow.
The lower edge is hemmed and laps the base flashing and is formed to be a snug fit against the base flashing.
Before installing the flashing bring the shingles up to the vent pipe.
Step flashing protects the gap where roofs meet walls by weaving into the roof shingles.
It should tuck under the sheathing wrap above and over the flashing below.
The cap flashing is set in the mortar joint between bricks.
If the lower roof abutting the building sidewall is being installed before the building s final wall siding and water membrane are being installed the building membrane roofing felt on the wall or final building siding may be able to serve as counter flashing atop the step flashing.
Above a lower roof where it abuts the wall in all cases make sure to detail the flashing membrane so that it sheds water.
Roof up to lower end of valley step flashing end shingles fitted and flashed against dormer under eaves practically all homes have circular vent pipes or ventilators projecting through the roof.
A comprehensive roofing specification writing tool allowing users to quickly write accurate steep and low slope roofing specifications for job submittal packages.
Rain should run off the roof and into the gutter.
Fasten the wall flashing at the top of the wall every 6 inches on center.
At the bottom of the roof water needs to be directed.
Then cut a hole in the shingle that will.
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.
The pitch of the roof provides the gravity and the detailing provides the redirection.
