On Sep 10, 10:35*pm, Heathcliff
wrote:
The roofers did a nice job and the new roof looks fine except for one
thing: the galvanized valley flashing kinda sticks out visually. *I'd
like to paint it to blend in better if not actually match the
shingles. *The shingles are a light grayish brown, "driftwood" or some
such, the flashing is shiny silver. *So, what's the best way to paint
them. *Special preparation required? *Best kind of primer and paint?
Have you done this successfully? *-- H

You will either have to leave it to oxidise for a few months or paint
with an etch primer first. If you don't the paint will flake off.
This applies whether it's galv. or aluiminium.