I've decided to tackle this job just after four of procrastination! The aluminum was bare in most spots and what paint was still left was peeling and chalkiy. It expected a sanding down with a hundred and fifty grit and a thorough washdown. I opted to work with BEHR Top http://felixiifbx.tinyblogging.com/The-5-Second-Trick-For-How-to-Prep-Aluminum-Siding-to-Paint-28887745