Levelrock® Brand SAM-N40™ Sound Attenuation Mat


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

Main Features

Levelrock® Brand SAM-N40™ Sound Attenuation Matprovides 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 Levelrock® Brand Floor Underlayment.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.


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