The layered structure of WPC ensures the vinyl layer takes the impact for maximum sound reduction capability. No squeaking or that cold, hollow echo from laminate floors. This is one quiet material! Some even feature premium attached cork padding. Cork is the gold standard of soundproofing underlayment, more effective than foam at muffling footfalls and other unwanted noise. The 1.5 millimeter thick cork padding eliminates sound better than even 3 millimeter felt, and is naturally moisture resistant! For those consumers who opt to purchase WPC vinyl flooring without the attached pad, no additional padding is needed.