DURA-SON MB 3.5 mm is a high performance acoustic underlay with vapor barrier for laminate and floating engineered hardwood floors. This product is for condos, hotels, commercial buildings, and private homes.

DURA-SON MB 3.5 mm offers very high acoustical ratings. On an 8″ concrete slab, the FIIC is 69, with no suspended ceiling.

Features and benefits

  • Greatly reduces impact sound
  • Improves moisture protection
  • Guaranteed to work with radiant heated floors
  • Does not collapse over time therefore retains its acoustical value
  • Conceals minor subfloor irregularities
  • Resists mold, mildew and fungus growth
  • Enhances underfoot comfort
  • Lays flat and does not move during installation


A roll of home acoustic underlay for laminate, vinyl, hardwood and engineered hardwood.