The provision is short on installation details and requirements so we asked mike guertin who leads the roofing demonstrations for jlc live to give us his.
How to install continuous roof flashing.
Installing your roof flashing is going to be slightly different depending on the specific type that you re installing.
It s a long single piece of metal that carries water down to the shingles below.
If the siding is already instead you will need to pry it up to slip the flashing under it.
In the code s eye view section of jlc code specialist glenn mathewson took a look at a 2012 irc provision that allows the use of continuous flashing at roofing to sidewall intersections as an alternative to traditional step flashing.
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.
Step flashing step flashing redirects the water back onto the shingle.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
Instead install the flashing before the siding bricks or stucco.
How to install roof flashing against a wall.
However the principles are the s.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
He bonds 6 inches of the flashing tape to the wall and 4 inches onto the roof sheathing.
Installing continuous flashing because continuous flashing is less robust than step flashing mike backs it up with 12 inch flashing tape.
To install continuous flashing embed it into roof cement and nail it to the last course of shingles nailed to the deck.
Do not nail the flashing to the wall.