sound-absorbing wall coverings; sound-absorbing wall coverings; soundproofing ceiling coverings; soundproofing ceiling coverings; soundproof blankets made of fiberglass or polyester material; soundproof blankets made of fiberglass or polyester material; sound-absorbing ceiling coverings; sound-absorbing ceiling coverings; soundproofing materials for buildings; soundproofing materials for buildings; soundproof blankets; soundproof blankets; soundproofing materials; soundproofing materials; sound-damping ceiling coverings; sound-damping ceiling coverings; sound dampening blankets; sound dampening blankets; soundproofing panels; soundproofing panels; acoustic baffles for soundproofing purposes; acoustic baffles for soundproofing purposes; soundproofing wall coverings; soundproofing wall coverings

non-metallic construction materials with soundproofing qualities