Step Flashing Attached To Roof Or Wall

Step 1 choose what kind of metal flashing you need.
Step flashing attached to roof or wall. Epdm flashing tape with a butyl adhesive backing will help. It may seem as if a single piece of flashing would offer more protection than many pieces of step flashing. Hammer one nail to the. Failing to replace step flashings when a cedar shake roof is replaced with a composition shingle roof.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles. Riley explains its easy to do when it comes to new construction. The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. This can be under shingles or over metal roofing material.
It s crucial that step flashing be installed on all roof to wall transitions. This includes dormers one story attached sections of the house e g. Step flashings on a cedar shake roof are typically installed every 10 inches. Flashing joints are lapped 6 in the direction of water flow.
Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling. While 8 inch flashing usually works well for most purposes you might want to use another size. It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc. The flashing extends up the wall at least 4.
You have to first decide what size of flashing you will use. Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint. The shingle s weather exposure is 5. Riley shows his way the only way how to install step flashing.
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. Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge. Nail it in place with two nails one. Even if one piece of step flashing fails the flashing and shingle below it start the process over again.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way. 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. Here s how to install it correctly. Step 2 install base flashing.
How to install step flashing with a wall corner step three. 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. Bend it back so that it overlaps the corner flashing. Now install the base flashing.
Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall. Most flashing is 8 inches wide. However in most instances step flashing should be installed behind siding. Then set the piece down.
Ensure it sits flat and extends at least 8 inches above the shingles.