Installation of a continuous sheet of metal flashing from the top of the roof to the bottom of the roof in lieu of step flashing is not a correct method of installation in many instances.
Flashing for top of siding.
The large leg of the metal goes against the wall leaving the seat and face covering the top edge of the siding.
This aritcle describes the cause repair and prevention of leaks rot damage at a wood framed wall that was not properly flashed and sealed at the wall bottom.
Install the trim just under the drip cap.
Start by making an outline on the siding where you want to position the ledger board.
Galvanized steel z flashing is made from 28 gauge galvanized steel.
If the kick out and step flashing can t tuck behind the siding screw on cap flashing to cover it then caulk along the top.
First step flashing must be installed before the siding so that the siding can cover the top of the flashing.
The seat dimension 3 8 in corresponds to the siding thickness.
Proper installation of flashing behind siding common mistakes involving step flashing.
Second step flashing needs to extend 8 to 14 inches above the shingles according to the national roofing contractors association nrca.
Building wall or siding flashing details at horizontal surfaces.
Flashing materials choices installation details specifications.
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.
Some types of roofing materials like concrete tile incorporate a.
Inspect the sidewall around and underneath the fascia and inside the house for signs of moisture damage and repair any rotted areas.
To install the flashing cut pieces of building.
Then cut away the siding.
And like other flashing metal coil comes in most popular siding and soffit colors for easy matching and a professionally finished look.
It is used to protect the horizontal joints between sheets of siding from water infiltration.
Then slip flashing behind the siding covering the top edge of the ledger.
Make the outline large enough to include space for the deck boards on top the ledger and any trim boards on the sides.
At the top tuck metal drip cap flashing under the siding and on top of the second layer of wrap.
Continue installing the z flashing at the top edge of the siding panels across the full length of wall.
Position the flashing lengths as defined in step 2 overlapping the ends a minimum of 2 inches onto the previous flashing piece and securing the flashing with 8d nails at each wall stud.
For more on extruded aluminum flashing options go to http.
If this is a repair job the siding must also be removed and replaced with the flashing.
