The leaf framework, the opening frame, and the panel sheets are powder coated. Surfaces are processed by abrasive blasting before powder coating. Powder coating is applied in two layers, a priming base coat, and a decorative topcoat. Powder coating in standard MAT colours.
Steel profile doors can be coated in any RAL MAT colour (except for colours with a pearlescent, reflective or metallic finish) or RAL MAT STRUCTURE colours: