The method used for powder painting a manufactured article comprises the application of a first layer of powder paint, the fixing of the first paint layer, the application of a second layer of powder paint in a colour, tone and/or properties that are different from those of the first layer, the final baking of the first and second layers of paint, the rolling and/or brushing of the manufactured article to confer the required decoration thereon, and it is obtained by the continuous forward movement of at least one manufactured article and by performing by painting means and by rolling and/or brushing means respectively, during the rolling and/or brushing steps, a corresponding closed cyclic passage comprising the movement of the manufactured article for at least a first section during which it is subject to relative transfer between the painting means and the respective rolling and/or brushing means and the manufactured article.