The proper installation of flashing at the point where the roof meets wall is to use metal step flashing.
How to install roof flashing against a wall.
The first step flashing or the corner flashing should rest.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
Add cement and flashing.
Next cut from the other corner on the same side of the step flashing and along 45 degrees to the centerfold.
These kinds of houses often have a roof that butts against a wall.
Layer the cement on the area that you.
How to install roof flashing against a wall with a corner lay the underlaymentand the shingles fully up till the wall.
Metal step flashings are pieces of metal that are shaped like an l at least 5 inches wide and tall and 8 inches long as shown in figure 2.
Installing the roofing felt.
Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
Metal roof flashing can be use to seal gaps between roof walls.
Most flashing is 8 inches wide.
Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Step flashing redirects the water back onto the shingle.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Place the first step flashing strip over the end of the starter course shingle and use two nails to fasten the step flashing to the roof with 2 nails.
How to install roof flashing against a wall.
For step flashing with a stucco wall you will be working in part on the roof.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
Next you will use asphalt or roofing cement.
Do not fasten the flashing to the wall because it must float with the roof.