On a wall to be covered with wood cement board vinyl or metal siding the step flashing and associated roofing must be installed first so the siding can cover the top of the step flashing on.
How to install roof flashing against wood siding.
This flashing is typically field fabricated from a sheet of 26 ga.
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.
Galvanized sheet metal bent at a 90 degree angle i e.
Step flashing is used to provide a water tight connection where roofing adjoins a vertical juncture.
However the principles are the s.
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.
Each flashing job is a little bit different and depends on the type of material that the exterior of your house is made of.
Proper roof wall flashing example.
Install the first length of z flashing.
The flashing has a tendency to lay flat along the roof so you might have to brace it up an inch or two with a scrap of wood.
The part of the house that it is attached to is wood lap siding.
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.
They extend the course 3 8 1 2 inch past the starter course then nail in place then install step flashing then the next course and so on up the roof.
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 silva and the apprentices are installing architectural shingles.
8 install filler strips on the tin roof 1 2 inch above the filler.
Posted march 4 2017 filed under roof installation roof repair maintenance.
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.
Bent into an l shape.
When he shingled the new roof he just used roofing caulk where the shingles meet the wall no flashing of any kind.
I had a contractor build a shed roof on the back side of my carport that extended over and attached to the house.
That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
The remaining siding on the sidewall will overlap the step flashing and nail.
The exterior of a house presents plenty of opportunity for leaks.
A key part of my approach is using a special piece of flashing at this.
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.
