In certain instances flashing may need to be installed on the exterior of siding.
Flasing against panel siding.
Begin at either end of the wall and set the level middle section of the z flashing onto the top edge of the siding panel with the wider flange upward and against the wall framing.
J flashing on transitions.
Flush the end of the flashing length with the wall corner and secure the flashing to the framing with an 8d nail at each wall stud.
Installing the z trim.
On a wall to be covered with wood cement board vinyl or metal.
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.
One of the most vulnerable areas for siding is transitions.
Flashing is a strip of metal usually aluminum about 8 inches long and bent at 90 degrees with each side at least 5 inches wide.
Galvanized steel z flashing is made from 28 gauge galvanized steel.
Even if the roof has been properly flashed against the sidewall this one hasn t water can still run down the side of the house and behind the siding causing rot.
How to use flashing between brick siding.
Many homes have a transition point somewhere up the wall where brick gives way to some type of siding whether it s aluminum panels or cedar shingles.
Corrugated metals incorporated proudly introduces metal flashings as the latest addition to its product line for metal roofing and siding.
A key part of my approach is using a special piece of flashing at this.
To view more details about our metal flashings you can contact a corrugated metals representative at 1 800 621 5617.
A common problem area is the point where a gutter dies into an adjoining wall as the photo below illustrates.
It is always recommended to install step flashing behind stucco dryvit wood panel lap siding vinyl siding cedar shingle siding etc.
The flashing can be used over window trim band boards panel intersections and other vertical surfaces.
The large leg of the metal goes against the wall leaving the seat and face covering the top edge of the siding.
It is used to protect the horizontal joints between sheets of siding from water infiltration.
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.
The seat dimension 3 8 in corresponds to the siding thickness.
However in most instances step flashing should be installed behind siding.
In those instances the best thing to do is remove the siding and run the flashing up against the wall and replace the siding so that you have a watertight finish.
