Siding Wall To Roof

To tie the roof into the siding the tin roofing panels must first be installed to within 1 4 inch of the siding.

Siding wall to roof.

The installer tacked a row of asphalt shingles to the wall caulked their top edge and hoped for the best. Do not seal housewrap or building paper to step flashing. Step 2 measure the length of the porch roof joint to determine how much flashing you will need. Use step flashing that has a 2 to 4 inch longer vertical leg than normal.

Obviously the further up the wall a flashing extends the greater the resistance to water intrusion. Install the kickout flashing. In this case it s new construction so this would normally be wrapped with tyvek or something like that. 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.

Here s the direction water is flowing and your ribs are running up into it. At roof to wall intersections see figure 1. The flat roofing material must go up the wall a minimum of 12 or up the wall and over the top of the wall if the wall is less than 12 high. Proper roof wall flashing example to install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width.

Use a straightedge to help you transfer the angle you marked on the siding. A 5 inch wide flashing will result in a 2 1 2 roof deck flange and 2 1 2 vertical wall flange. This could be brick or siding. Likewise a 10 wide flashing will result in a 5 inch wide roof deck flange and a 5 inch vertical flange.

Now this shouldn t be confused with sidewall. Measure the bottom piece of siding to the proper length which is the length of the wall to the roof line minus 2 inches. Kickout flashing installs just like standard step flashing except that half of the kickout flashing hangs over the edge of the roof. Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.

1 insert a nail bar beneath the bottom row of siding that lies directly above the. Typically flashing comes in 10 foot long pieces. I made this video this morning and i hope it help explain the flashing wall detail where the siding meets the roof. If your roof joint is longer than that you will need to have two or more.