11 packages available - price is for one package containing 4 slabs of 1200mm by 600mm - The Knauf RS60 Rockwool sound insulation slabs are high-quality mineral wool insulation sheets suitable for acoustic insulation. Made by Knauf Insulation, these 100mm slabs provide excellent soundproofing properties to help reduce noise levels in buildings. With their sheet packaging, these mineral wool slabs are easy to handle and install, making them a reliable choice for insulation needs in various commercial and industrial settings.