Step 1 choose what kind of metal flashing you need.
Step flashing attached to roof or wall.
The shingle s weather exposure is 5.
4 inches should go up the house wall and 4 inches should go on top of the porch roof shingles.
Epdm flashing tape with a butyl adhesive backing will help.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
Failing to replace step flashings when a cedar shake roof is replaced with a composition shingle roof.
Step 2 install base flashing.
Step 6 make a 10 degree bend on the shingle edge of the flashing approximately 1 2 inch from the edge.
Vent flashing done right to prevent leaks back up roof vent boots with flashing counterflashing and proper shingling.
Installing step flashing to prevent roof leaks step flashing spans the joint between roof shingles and an adjacent side wall.
How to install step flashing with a wall corner step three.
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.
Hammer one nail to the.
While 8 inch flashing usually works well for most purposes you might want to use another size.
Step flashing redirects the water back onto the shingle.
Riley shows his way the only way how to install step flashing.
Then set the piece down.
Bend it back so that it overlaps the corner flashing.
Continuous flashing against a sidewall is one way to install a roof but it s not the correct way.
Here s how to install it correctly.
However in most instances step flashing should be installed behind siding.
It s crucial that step flashing be installed on all roof to wall transitions.
Riley says most roofers use.
Flashing joints are lapped 6 in the direction of water flow.
This can be under shingles or over metal roofing material.
The flashing extends up the wall at least 4.
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.
Use the metal break tool to bend the flashing lengthwise in the middle according to the angle of the roof joint.
It may seem as if a single piece of flashing would offer more protection than many pieces of 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.
Riley explains its easy to do when it comes to new construction.
Nail it in place with two nails one.
It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc.
Now install the base flashing.
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.
The metal flashing is formed with a hook edge and cleated on 12 centers.
You have to first decide what size of flashing you will use.
