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Acousti-Top™ Floor Underlayment

Sold By: Roll

Return Policy: 30% restocking fee within 20 calendar days of invoice date.

Typical Shipping Lead Time: 3 business days

Product Description

Acousti-Top™ is an ideal flooring underlayment for renovations or new concrete construction to reduce sound transmission through the floor.

Acousti-Top topical sound mat is rolled out over the existing subfloor prior to installation of the finished flooring and can be loose laid or double glued down. Acousti-Top is compatible with virtually all finished floor goods and adhesives. Ideal for use in single or multifamily flooring applications, it is often used when converting from carpet to hard surface flooring.


  • Deltal IIC of 22 with LVT
  • Doesn’t impact floor height
  • No risk of plasticizer migration
  • Excellent crack suppression
  • Suitable for use with radiant flooring

Technical information for Acousti-Top™ Floor Underlayment

  • Size: 42.5″ (w) x 200′ (l)
  • Coverage: Approximately 708 square feet
  • Roll Weight: 45 pounds
  • Construction: Patented blend of acoustical fibers
  • Thickness: 1.6 mm (<1/16″)
  • Base Weight: 0.04 psf
  • Crack Suppression: High Performance per ANSI A118.12
  • Mold Resistance: Yes per ANSI A118.12
  • Robinson Testing: Light Commercial per ASTM C627
  • Installation Method: Floating or Glue Down

For more information on our Acousti-Top™ Floor Underlayment,
call us at 800.782.5742 or contact our sales department.

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