Where should kick out flashing be installed?

Kick-out flashing should be installed at the end of a roof-wall intersection to divert water away from the wall and into gutters. The kick-out flashing should be large enough to handle expected stormwater flows.

Is kick-out flashing necessary?

The increased amount of insulation and building wrap that is used in modern construction makes buildings less breathable and more likely to sustain water damage. Kickout flashing prevents rainwater from being absorbed into the wall and is more essential than ever.

How far should flashing go under siding?

Remember to provide a 3/8” gap between the flashing and the bottom edge of the siding. Here’s a quick tip: if you are installing LP SmartSide 38 series lap siding, you can use a scrap piece of the siding to create the proper gap (38 series lap siding is 3/8” thick).

Where does step flashing go on a roof?

Step flashing: Step flashing is best for where the roof face meets a wall, for example, where a dormer projects out of the roof. In this spot, it’s possible that water could flow down the wall and slip past the shingles into the building below.

When did kick out flashing become code?

Kickout flashings have been required by the International Residential Code (IRC) since 2009, yet I’ve rarely seen them installed on new homes and additions. Part of that might be the original awkward language that didn’t even include the term “kickout flashing.” In the 2012 IRC, Section R903.