Water should run down the side of the flashing and be directed to the shingles instead of finding its way into the roof deck.
Installing roof flushing.
Install the step flashing.
Start with the ice barrier.
In climate zones prone to ice damming code requires that a self adhering ice barrier membrane be applied directly.
Step flashing for chimneys once the shingles have been installed lay the base flashing around the base of the chimney approximately 4 past each end.
Steps for installing drip edge and step flashing.
Flashing is installed to surround roof features such as vents chimneys and skylights.
How to install roof flashing against a wall.
Install the starter course.
Step flashing step flashing redirects the water back onto the shingle.
Installing your roof flashing is going to be slightly different depending on the specific type that you re installing.