Installing Kickout Flashing Into Existing Vinyl Siding

Protect your windows vinyl siding with flashing.

Installing kickout flashing into existing vinyl siding.

Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. Install the kickout flashing underneath the first shingle photo 1. How to install step flashing under siding. It can be a pain to side around it but you will fail your inspection if the inspector doesn t see it on your job.

Kick out flashing prevents water from running down a roof and ending up behind the siding on an adjacent wall. The vinyl siding institute has produced an excellent installation guide. Keep water out of your home and running down the roof where it belongs with appropriate use of step flashing. Learn how to install kickout flashing and help control water management from the roof into the gutter with this instructional guide from james hardie.

This flashing is typically field fabricated from a sheet of 26 ga. Step 1 prepare. If the shingle already has flashing on it the kickout flashing has to slip beneath it and you ll have to loosen or remove siding to do this. Speak with someone in the building department in your town to make sure the flashing on the windows with vinyl siding is up to code you will also want to try as best as you can to plan this project during a two to three day period where rain or snow is not.

Step flashing is used where a roof meets a. Leave the kick out flashing loose and slide the first panel behind the flashing. Add felt if needed before nailing the new wood on and prime the new wood on all four sides before installing it. Unfortunately there is still lots of water damage occurring because of poorly installed flashing in behind the wall cladding systems.

Vinyl siding is a good choice because it breathes and when water does enter into the system it can dry out again in our low humidity air. Without a kickout water will eventually get behind the siding and into the wall where it will wreak havoc for years before you notice any signs of a leak. Kickout flashing replaces the first piece on step flashing and redirects water away from the siding ideally into a gutter. Galvanized sheet metal bent at a 90 degree angle i e.