Ceiling lamella PAROC CGL 20cy is non-combustible stone wool insulation for existing and new cellar ceilings. With ceiling insulation lamella you can easily insulate cellar ceilings, creating good sound absorption for the space and increasing fire safety between floors. Glued lamella insulation with faceted edges forms a structured base layer for the ceiling surface. The visible surface of the lamella is pre-painted/coated for better application of the paint. The surface can be finished with spray painting.