Many times when you are painting the exterior of your home you will find that the exterior trim is rotten. A perfect replacement for the trim maybe epvc exterior molding by AZEK. The molding does not require painting but people may want to paint it to match the other color of the house. This type of trim cam is painted with a 100% acrylic exterior paint. If you are going to paint it darker color reflective type paint is what is needed. It will require two coats and will have to have vinyl safe technology in the paint. That way the paint will not experience solar heat gain and will not warp the trim. This same paint technology can be used on vinyl siding.