Roof Kickout Flashing Detail
On most of these jobs there is one detail the kickout flashing at roof wall intersections that i see done wrong most of the time.
Roof kickout flashing detail. One flashing detail that s often done wrong is where the flashing at the bottom of a roof meets a wall. Briefly remove the piece and apply roofing cement where it will sit. Roof to wall flashing is bent at a 110. The shorter vertical plane is attached to the upper floor wall under the building paper the lower plane sits on top of the underlayment and under the shingles.
The kickout is installed above the rain gutter and or drip edge flashing where the roof meets a vertical wall. Kick out flashing a somewhat forgotten practice except by the best roofers addresses this risk at the most vulnerable intersection between sloped roofs and walls. Kickout flashing is a simple little piece of metal that directs water out and away from a house wall when a roof surface ends at the wall. Ensure that the kick out flashing is large enough to handle expected storm water flows.
Instead buy a premade kickout flashing piece. Install kick out flashing at the end of a roof wall intersection to divert water away from the wall and into gutters. When the bottom piece of step flashing is placed so that. Here s how to install kickout and step flashing.
When installing metal or rubber membrane roofs use continuous flashing rather than pieces of step flashing. Kickout flashings are used where a lower roofline terminates against a vertical wall. While some professional roofers will make their kickout flashing by hand in copper if you re using galvanized steel it will be too tough to bend properly. Be sure to leave space between the end of the fascia and the wall where fastflash wrb and siding can slide up.
When they do exist they will be of substandard quality. Bending kick out flashing divert water away from the siding at the bottom of the roof with this critical flashing detail. In a neighborhood of 30 homes i expect to find at least 28 with exterior problems and most of these will have no kickouts. By andy engel issue 244 june july 2014.
Place your kickout flashing on the base of the roof snugly against the wall. It kicks out rain water and diverts it away from the lower wall.