Recessed steplight profile in the plasterboard wall for housing LED strips for indirect lighting and diffused LED lightMaterial: XPS (extruded polystyrene)Coating: white chalk effect (resin based on white marble powder)It is smoothed and painted together with the plasterboard with any interior paint. (see installation instructions at the link below)LED strips not includedVeils for diffused LED light recessed into the wall or ceiling plasterboardUse: The EL400 veil is designed to be integrated into the plasterboard wall with the opening that allows indirect lighting with the LED strips towards the ceiling. The final effect is to see the wall opening to let the light out.The EL400 frame can also be used horizontally on the ceiling facing inside the room to illuminate the environment.