Patent ID: 8763754
Filing Date: 2014-07-01
Classification: E04B

Abstract:
1. A process for producing a sound insulating element for the ceiling area of a building comprising an insulation element made from mineral fibers bound with a binding agent and having two mutually spaced surfaces extending parallel to each other, and a coating from a hydraulically and/or chemically set mass, wherein the coating is connected to the insulation element and is oriented towards the room and includes an array of openings forming a regular hole pattern and penetrating the coating as far as to the insulation element, the process being characterized in that a layer of a hydraulically and/or chemically setting mass which is to be provided as a coating separable from a flexible support is applied to this flexible support, that an insulation element from mineral fibers bound with a binding agent is placed onto the mass which has not yet set, that the mass is subsequently cured and that after curing the coating is provided with a regular hole pattern including openings penetrating the coating as far as to the insulation element.