How To Install Continuous Roof Flashing

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.

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. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. Do not nail the flashing to the wall. It s a long single piece of metal that carries water down to the shingles below.

How to install roof flashing against a wall. Even if one piece of step flashing fails the flashing and shingle below it start the process over again. Installing your roof flashing is going to be slightly different depending on the specific type that you re installing. If the siding is already instead you will need to pry it up to slip the flashing under it.

However the principles are the s. Installing continuous flashing because continuous flashing is less robust than step flashing mike backs it up with 12 inch flashing tape. Continuous flashing is also called apron flashing because it acts a lot like an apron. He bonds 6 inches of the flashing tape to the wall and 4 inches onto the roof sheathing.

Instead install the flashing before the siding bricks or stucco. Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of. 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.