Installing Kick Out Flashing Into Vinyl Siding

Install the kickout flashing underneath the first shingle photo 1.

Installing kick out flashing into vinyl siding.

Add felt if needed before nailing the new wood on and prime the new wood on all four sides before installing it. Leave the kick out flashing loose and slide the first panel behind the flashing. 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. Cut a small piece of siding that will be placed on top of the previous piece of siding and sits in the roof j channel.

Install kick out flashing kick out flashing prevents water from running down a roof and ending up behind the siding on an adjacent wall. Apply a bead of caulk to the felt and set the window in the caulk. 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. The exterior of a house presents plenty of opportunity for leaks.

Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. 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. Galvanized sheet metal bent at a 90 degree angle i e. Bent into an l shape.

Install the trim just under the drip cap. Unless you re careful step flashing can allow water from the roof to slip behind the gutter and get behind the siding and even the housewrap. A key part of my approach is using a special piece of flashing at this. Nail j channel for vinyl or metal siding onto the flashing.

Leave a 1 4 inch gap between the step flashing and wood siding or cement board. Next comes another layer of building wrap installed like the first layer. A common problem area is the point where a gutter dies into an adjoining wall as the photo below illustrates. Kickout flashing replaces the first piece on step flashing and redirects water away from the siding ideally into a gutter.

At the top tuck metal drip cap flashing under the siding and on top of the second layer of wrap. 43 is an additional flashing strip that extends beyond the edge of the fascia that is required in some cold climate localities.