Flashing Where Siding Meets Roof

Below are two photographs of roof wall step flashing completed and effective of a slate roof against a brick wall below left and in process with step flashing against a dormer sidewall before the dormer siding has been put in place below right.

Flashing where siding meets roof. The solution to rotting sidewalls is a small piece of bent metal called a kickout flashing at roofing suppliers which simply directs all that water away from the wall. Roof flashing on a porch roof. It is at the back of the porch roof where the roof meets the house siding. Flashing is a strip of metal usually aluminum about 8 inches long and bent at 90.

Posted march 4 2017 filed under roof installation roof repair maintenance. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies. Today the flashing is on top of the siding. Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer.

This flashing is typically field fabricated from a sheet of 26 ga. The exterior of a house presents plenty of opportunity for leaks. Traditionally the flashing was installed and hidden under the siding. A key part of my approach is using a special piece of flashing at this.

Step flashing is used where a roof meets a wall to cover the junction of those elements preventing leaks. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. A common problem area is the point where a gutter dies into an adjoining wall as the photo below illustrates. There is another place that roof flashing has now invaded.

I see most guys leaving the old step flashing and hardly anyone removing the siding and reinstalling ice shield and step. 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. Ground zero for roof rot is often where roofs meet walls. If your flashing is new you may need a bonding primer.

Galvanized sheet metal bent at a 90 degree angle i e. If you don t direct water from the roof into a gutter it can pour into the.