Commercial Point, Ohio. Commercial Point is a village in Pickaway County, Ohio, United States. The population was 1,582 at the 2010 census.
Yes, you can use latex paint over oil-based paint. First, scuff down the surface of the oil paint layer for improved stickability. This has less to do with the initial coat being oil-based than the fact that this is a paint-over-paint project.
If you talk to manufacturers reps, they generally try to over-engineer roof systems due to the beating they take. I have seen people use acrylics over an oil primer, linseed-oil based paint over oil primer, and cheap fibered aluminum coatings. You may see 2-4 years out of these systems.