Install the kickout flashing underneath the first shingle photo 1.
Vinyl siding chimney flashing.
Gable ends are their own can of worms as reguards uphill chimney flashings.
Nail j channel for vinyl or metal siding onto the flashing.
Inspect the sidewall around and underneath the fascia and inside the house for signs of moisture damage and repair any rotted areas.
Wall flashing where siding meets a chimney originally posted by michael thomas.
Add felt if needed before nailing the new wood on and prime the new wood on all four sides before installing it.
Leave a 1 4 inch gap between the step flashing and wood siding or cement board.
This is why there are drain holes at the bottom of the laps to let it back out.
Roof chimney leak repair.
Then an ice water shield underlayment must be installed around the chimney.