Step Flashing Attached To Roof Or Wall

How to install step flashing with a wall corner step three.

Step flashing attached to roof or wall.

It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Nail it in place with two nails one. Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling. Then set the piece down.

Step 2 install base flashing. The new step cannot be inserted up behind the stucco and house wrap because the weep screen at the bottom of the stucco is attached to the wall with nails. Most flashing is 8 inches wide. Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.

Step flashings on a cedar shake roof are typically installed every 10 inches. Bend it back so that it overlaps the corner flashing. Flashing joints are lapped 6 in the direction of water flow. The flashing extends up the wall at least 4.

However in most instances step flashing should be installed behind siding. Epdm flashing tape with a butyl adhesive backing will help. The new step flashing must extend up the wall a minimum of 4 and must be laced with each course of the new asphalt shingles. It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc.

The shingle s weather exposure is 5. The metal flashing is formed with a hook edge and cleated on 12 centers. Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. It s crucial that step flashing be installed on all roof to wall transitions.

Even if one piece of step flashing fails the flashing and shingle below it start the process over again. The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge. This includes dormers one story attached sections of the house e g.

Riley explains its easy to do when it comes to new construction. Step 1 choose what kind of metal flashing you need. Now install the base flashing. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.

You have to first decide what size of flashing you will use. Garage or additions that are attached to a second level area and also installed around skylights and around and up chimneys where it becomes overlapped by counter flashing. Step flashing redirects the water back onto the shingle. 4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.

Hammer one nail to the. Riley says most roofers use. This can be under shingles or over metal roofing material. Ensure it sits flat and extends at least 8 inches above the shingles.

Riley shows his way the only way how to install step flashing.