Flashing Roof Meets Siding

It is at the back of the porch roof where the roof meets the house siding.

Flashing roof meets siding.

Bent into an l shape. A headwall is a level junction where a roof meets a wall. I made this video this morning and i hope it help explain the flashing wall detail where the siding meets the roof. And in our experience when a single piece of flashing extends only a few inches under the shingles especially on a long roof slope and worse on a roof that happens to slope slightly towards rather than away from the abutting vertical building wall the accumulated roof drainage water near the bottom end of the roof wall intersection will overwhelm the width of the flashing and because it.

This illustration shows proper flashing at a headwall condition. Flashing is a strip of metal usually aluminum about 8 inches long and bent at 90. Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture. Step flashing is used where a roof meets a wall to cover the junction of those elements preventing leaks.

Galvanized sheet metal bent at a 90 degree angle i e. Traditionally the flashing was installed and hidden under the siding. 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. Roof flashing on a porch roof.

Headwall flashing should extend up behind the exterior wall covering and down over the roof covering material as you see here. There is another place that roof flashing has now invaded. Today the flashing is on top of the siding. This flashing is typically field fabricated from a sheet of 26 ga.

If your flashing is new you may need a bonding primer. I am using a 7 16 high profile metal panel the siding on the house is 8 cedar lap. A common problem area is the point where a gutter dies into an adjoining wall as the photo below illustrates. Flashing where wall meets roof when you have a section of roof typically second floor where it meets a wall how do you guys flash when there is existing vinyl siding or wood siding.

Posted march 4 2017 filed under roof installation roof repair maintenance. When a roof s rake meets a wall on a split level the siding is applied down on the roof. The exterior of a house presents plenty of opportunity for leaks. I cut 1 1 2 the lowest setting i could get with a circular saw from the siding where it met the shingle roof so i could slide my endwall flashing 3 1 2 under the siding.

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.