USG Levelrock® Brand SAM-N40™ Sound Attenuation Mat

Durable sound attenuation mat increases the IIC and STC values to meet or exceed IBC code requirements.

USG Levelrock® Brand SAM-N40™ Sound Attenuation Mat can be used over a variety of subfloors including plywood, OSB, pre-cast concrete, concrete and metal pan decking.  

Customer Service Center
1-800-950-3839
7 a.m. - 6 p.m. CT, Mon - Fri

USG4YOU Tech Support
1-800-USG4YOU (1-800-874-4968)
7:30 a.m. - 4 p.m. CT, Mon - Fri

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features and benefits

USG Levelrock® Brand SAM-N40™ Sound Attenuation Mat provides an economical method of improving the IIC and STC ratings of wood frame buildings. The 0.4-in. mat requires a minimum 1-in. topping of USG Levelrock® Brand Floor Underlayment. USG Levelrock® Brand SAM-N40™ Sound Attenuation Mat is:

  • Able to improve STC and IIC results — sound tests were conducted in an NVLAP-accredited laboratory
  • Made from a durable nylon polymer with a special moisture control backing
  • Is installed by an authorized applicator.

Customer Service Center
1-800-950-3839
7 a.m. - 6 p.m. CT, Mon - Fri

USG4YOU Tech Support
1-800-USG4YOU (1-800-874-4968)
7:30 a.m. - 4 p.m. CT, Mon - Fri

Email USG Technical Support

Design & Specification
Assistance
Find your local architectural representative