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Available in 2, 5 and 10 mm


AcoustiTECH™ Lead 3.3, with an approximate thickness of 1/8 inch (3,3 mm), provides an acoustical performance of 58 FIIC when double-glued with engineered wood floor on a 8 inches (20 cm) concrete slab, without suspended ceiling. This result was obtained from a well-known and certified acoustician firm. This membrane is the most appropriate for the specification in new construction or renovation of green buildings. Its excellent performances will please condos owners and property management companies.

AcoustiTECH™ Lead 3.3 also provides thermal comfort and optimizes the performance of electric radiant heating systems and is compatible with hydronic radiant heating systems. This membrane is the most appropriate for the specification in LEED® and green buildings projects.



dBarrier™ is the perfect underlayment option for luxury vinyl tile, as well as other hard flooring. Its high-density synthetic rubber construction suppresses noises while boosting floor's comfort and appearance.


  • Suppresses sounds and room noise

  • Inhibits the growth of mold, mildew, and odor-causing bacteria

  • Smooths out minor floor irregularities

  • Installs quickly and easily

  • Perfect for use over in-floor heating

  • Recommended as “Best Choice” by the Radiant Professionals Alliance

  • Hypoallergenic and CRI Green Label Plus-certified

  • Fast, hassle-free installation

  • Compatible with most floor finishes

  • Available in 48-inch wide rolls and a variety of standard and custom thicknesses

  • Vapor barrier option available

  • Doubles as a Tile Council of North America (TCNA)-rated high performance crack isolation membrane

  • Can thin-set tile directly to 2 and 5 millimeter (mm) thicknesses per ASTM C627

  • Compatible with radiant heat flooring systems

  • Five mm thick QT performs better than 12 mm cork per ASTM E2179

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