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USG Levelrock SAM-N40 Ultra Sound Attenuation Mat
Levelrock SAM-N40 Ultra Sound Attenuation Mat can be used over a variety of subfloors including plywood, OSB, pre-cast concrete, concrete and corrugated steel deck. Requires a minimum 1 inch (25.4 mm) topping of Levelrock cementitious underlayment.

Features & Benefits
- Provides three layers for increased sound absorption
- Features a low 7/16 inch (11.1 mm) profile
- May contribute to LEED credits