Ardex DS 70 Acoustic Underlayment Mat

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$310.27 to $352.27
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Product Details

Product Details

Ardex DS70 Acoustic Underlayment Mat

Ardex high performance, durable sound isolation underlayment mat is made from recycled rubber and is used for hard surface coverings. Providing crack isolation and sound reduction, this lightweight commercial grade mat has dual protection that you can set tile directly on.


  • Use for sound reduction under tile, stone or wood floor coverings
  • Quick and easy installation with the proper Ardex adhesive
  • Provides crack isolation up to 1/8" (3mm)
  • Set tile directly on the DS 70 after installation
  • 92% recycled post-consumer rubber
  • Ideal for use in condominiums, hotels and office buildings
  • Systems achieve up to an Extra Heavy Commercial rating (Robinson Test) per ASTM C627

Sound Ratings

  • 16 dB – 2 mm mat
  • 19 dB – 5 mm mat


  • 2mm Acoustic Mat - 48” wide x 75’ long (1.2 m wide x 22.9 m long) – 300 sq.ft
  • 5 mm Acoustic Mat - 48” wide x 30’ long (1.2 m wide x 9.1 m long) - 120 sq.ft
Questions & Answers
2 questions

What glue can we use underneath the acoustic mat?

Ardex recommends that you use AF 207 Rapid Set Uncoupling Membrane and Bonding Adhesive to install the DS 70 Acoustic Mat.

Can I use the with a heated floor. If so will it work as a insulator from the concrete substrate.

This can be used with the Ardex Flexbone Heat UH900 uncoupling membrane and floor heating cables.

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