Proper roof wall abutment flashing examples.
How to flash a roof against a wall.
It may seem as if a.
A 5 inch wide flashing will result in a 2 1 2 roof deck flange and 2 1 2 vertical wall flange.
Above the roof sheathing.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
For areas where the walls meet the roof you will need to use the step flashing technique.
Likewise a 10 wide flashing will result in a 5 inch wide roof deck flange and a 5 inch vertical flange.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
How to install roof flashing against a wall.
Obviously the further up the wall a flashing extends the greater the resistance to water intrusion.
I cut the tape so that it laps onto the housewrap above and 3 in.
Step flashing redirects the water back onto the shingle.
Below are two photographs of roof wall step flashing completed and effective of a slate roof against a brick wall below left and in process with step flashing against a dormer sidewall before the dormer siding has been put in place below right.
Flashing is usually made of sheet metal and is used to seal and protect joints in a building like those where a roof meets the brick walls of a chimney from roof leaks by directing the flow of.
Flexible flashing tape seals the eave to the wall.
Metal flashing also called roof flashing goes against a stucco wall to protect it from water damage.
Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia.
I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall.
A corner flashing piece can either be bought from the hardware store or it can be made using a regular step flashing piece.