Grandismo 5mm, 6mm or 7mm Super Gold Underlay Choose Any Size for Wood/Laminate Flooring Provides Acoustic Sound and Impact Reduction (7mm, 30m2 (1m x 30m))

Super Gold 5mm - Noise Reduction: 25db approx Supreme Gold 6mm - Noise Reduction: 26db approx Professional Gold 7mm - Noise Reduction: 37db approx All Have Built In Gold Foil Moisture Barrier Use Barrier Pro X Tape To Join The Underlay Together, Manufacturer: Grandismo