I cut the tape so that it laps onto the housewrap above and 3 in.
Install flashing roof meets wall.
Flexible flashing tape seals the eave to the wall.
How to install step flashing with a wall corner step three.
A headwall is a level junction where a roof meets a wall.
Hammer one nail to the.
Step flashing protects the gap where roofs meet walls by weaving into the roof shingles.
Where snow buildup is likely add a wide band of peel and stick membrane lapped over the step flashing but under the sheathing wrap.
Obviously the further up the wall a flashing extends the greater the resistance to water intrusion.
Kickout flashing keeps water out of walls rain should run off the roof and into the gutter.
Then set the piece down.
Step flashing redirects the water back onto the shingle.
Install a reverse peak flashing for the other side of the roof so the two.
A 5 inch wide flashing will result in a 2 1 2 roof deck flange and 2 1 2 vertical wall flange.
Begin by removing the shingles at the affected area and removing old flashing if present.
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.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Use roofing nails to install the l shaped flashing flush with the roof and wall then cover it with roofing cement and reattach the roofer s felt.
I use a wide piece of flexible flashing tape to protect the area between the subfascia and the wall.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Click to enlarge make sure the sheathing wrap overlaps all step flashings.
Bend it back so that it overlaps the corner flashing.
This illustration shows proper flashing at a headwall condition.
This is true no matter what type of roof covering material is installed.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
Nail it in place with two nails one.
Bend the roof edge of the flashing down over the peak and nail the wall side to the sheathing extending past the peak.
Headwall flashing should extend up behind the exterior wall covering and down over the roof covering material as you see here.
Ensure it sits flat and extends at least 8 inches above the shingles.
Once the flexible flashing is set i apply a piece of housewrap along the wall where the fascia meets it.
Likewise a 10 wide flashing will result in a 5 inch wide roof deck flange and a 5 inch vertical flange.
At the bottom of the roof water needs to be directed.
How to install roof flashing against a wall.