Paint Exterior

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Painted exterior with oil rustoleum...no primer 3 months later black stuff like dirt will not scrub off going to repaint with what do we need to primer paint what brightside,..what..help?

[David M]

Each paint manufacturer has its own primer that is chemically compatible with the finish coat. Some primers are cross compatible with other manufacturers paints but the manufacturers are not going to tell you which. Go with the manufacturers recommendation.

I would stick with paints designed to hold up in the marine environment. Hardware stores generally do not sell these paints.

The most expensive paint you will ever buy is the paint that starts peeling off in a year or two because the surface was not prepared properly or it was the wrong paint for the job.

Although more expensive, I would get a marine grade paint. For one part paints, go with Petit or Interlux.