Acoustic board for ceilings (insulation); Acoustic insulating boards; Acoustic insulating materials of plastic; Acoustic insulating panels; Acoustic insulating panels made from non-metallic materials; Acoustic sheets; Acoustic sheets for insulation; Acoustic screens for insulation; Acoustic tiles for insulation; Insulating polymeric materials for acoustic insulation; Materials for acoustic insulation; Plates of non-metallic materials for acoustic insulation; Polyester fleece for acoustic insulation; Lightweight mineral wool slabs for acoustic insulation purposes; Non-metallic structures for noise abatement (soundproofing); Non-metallic structures for noise absorption (soundproofing); Soundproofing materials; Structures for noise absorption (soundproofing)