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USG LEVELROCK® 
SRB™ 
SOUND REDUCTION BOARD

Economical, high-performance sound reduction board that helps meet 50 IIC/50 STC.

USG Levelrock® Brand SRB™ Sound Reduction Board provides excellent sound control in all types of construction while lowering the cost, profile and weight of the underlayment sound system.  

Features and Benefits

USG Levelrock® Brand SRB™ Sound Reduction Boards thin 3/8-in. profile, when topped with ¾-in. USG Levelrock® Brand Floor Underlayment, minimizes transition height changes between rooms. Choose from three wood frame sound- and fire-rated systems — each tested in a laboratory environment per ASTM E90 for Air-borne sound (STC) and ASTM E492 for Structure-borne sound (IIC) per Section 1207 of the International Building Code. USG Levelrock® Brand SRB™ Sound Reduction Board:

  • Is water-resistant
  • Requires only ¾-in. of USG Levelrock® Brand Floor Underlayment to achieve comparable sound performance to sound mat systems
  • Contains nearly 50% recycled content, which may assist in obtaining LEED® credits
  • Is engineered and manufactured by USG

RESOURCES

USG logo -

800-USG-4YOU

United States Gypsum Company

550 West Adams Street

Chicago, IL 60661

© 2019 USG Corporation