It's been a long time since I've dealt with galv. metal, but if I recall, the procedure was to wash it down with vinegar and coat with a 100% acrylic paint.
It's been a long time since I've dealt with galv. metal, but if I recall, the procedure was to wash it down with vinegar and coat with a 100% acrylic paint.How do you prep galv. gutters. They are new by the way.