Iws is used in conjunction with step flashing or 4x5 wall flashing to create a water tight junction.
How to flash a roof to a vertical wall.
This flashing is typically field fabricated from a sheet of 26 ga.
Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.
Bent into an l shape.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it.
At roof to wall intersections see figure 1.
Galvanized sheet metal bent at a 90 degree angle i e.
Use step flashing that has a 2 to 4 inch longer vertical leg than normal.
Flexible flashing tape seals the eave to the wall.
Gaf mastering the roof chapter 13 flashing is used to seal and protects joints in a building from water penetration by direct the flow of water away from.
I cut the tape so that it laps onto the housewrap above and 3 in.
Flashing is installed to surround roof features such as vents chimneys and skylights.
I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall.
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.
Use flashing cement at joints to help secure flashing.