A roof or wall that is not properly sealed off from water can be extremely costly to fix not to mention the hassles that accompany the unwanted water.
How to flash a roof against a wall.
How to install roof flashing against a wall with a corner when there is a corner where the roof meets the wall you will need a corner flashing piece.
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.
Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia.
Obviously the further up the wall a flashing extends the greater the resistance to water intrusion.
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.
It may seem as if a.
Above the roof sheathing.
How to install roof flashing against a wall.
I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall.
Even though roof flashing is one of the most important elements of a roof not many people know how to install roof flashing against a wall properly.
Proper roof wall abutment flashing examples.
A 5 inch wide flashing will result in a 2 1 2 roof deck flange and 2 1 2 vertical wall flange.
Step flashing redirects the water back onto the shingle.
Metal flashing also called roof flashing goes against a stucco wall to protect it from water damage.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Flexible flashing tape seals the eave to the wall.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.