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Levelrock® Brand SAM-N75™ Ultra Sound Attenuation Mat

A high-performing sound mat ideal for multifamily wood frame construction.



Provides superior IIC ratings for demanding sound environments USG Levelrock® Brand SAM-N75™ Ultra Sound Attenuation Mat is a high performance solution for producing some of the highest IIC values in the industry.

Main Features

USG Levelrock® SAM-N75™ Ultra Sound Attenuation Mat can be installed over a variety of subfloors such as plywood, OSB, pre-cast concrete, concrete and corrugated steel deck. USG Levelrock SAM-N75 Ultra Sound Attenuation Mat requires a minimum 1-1/2 in. (38 mm) topping of USG Levelrock® engineered cementitious underlayment.
  • Three layers for a higher Delta performance
  • Ideal for multifamily wood frame construction
  • 11/16 in. (17 mm) profile
  • STC and IIC values exceed code requirements for sound attenuation
  • Installed by USG Levelrock authorized applicators


Submittal Sheet PDF 439.2 KB


  • GREENGUARD Certification Yes

Physical Data

  • Substrate Type Plywood, OSB, Pre-Cast Concrete, Concrete, Corrugated Steel Deck
  • Sound Mat/Board Thickness 11/16 in. (17 mm)
  • Min. Underlayment Thickness 1-1/2 in. (38 mm)



Levelrock® Brand Sound Attenuation Mats - Grandma


Levelrock® Brand Sound Attenuation Mats - Pets


Levelrock® Brand Sound Attenuation Mats - Flamenco

Documents & Files

Data Sheets & Specifications

Data/Submittal Sheet (English) PDF 439.2 KB

White Papers

Sell Sheet (English) PDF 537.3 KB

Catalogs & Brochures

Brochure (English)

SDS, Certifications & Reports

SDS (English) PDF 209.6 KB
SDS (Spanish) PDF 217.4 KB


Greenguard Certificate (English) PDF 681.0 KB
EPD (English) PDF 456.7 KB

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