Sound Master™ Plus

Sound Master™ Plus acoustical underlayment works to reduce noise and smooth out minor floor irregularities in active households. This underlayment also minimizes the hollow sound associated with floating floors, and is fast and easy to install.


  • Reduces noise in today's active households
  • Minimizes the hollow sound associated with floating floors
  • Features DuroGard™ moisture barrier
  • Fresh Dimension® antimicrobial treatment
  • Smooths out minor floor irregularities
  • Fast and easy to install
  • Excellent choice for radiant-heated floors
  • Hypoallergenic and CRI Green Label Plus-certified


Composition: Synthetic Rubber
Density: 37 lbs/ft³ (44 oz/yd²)
Thickness: 0.100"
Product Code: BM0022
Dimension: 4.5' x 48'
Ft²/Roll: 216
Yd²/Roll: 24
Color: Beige
Moisture Barrier: DuroGard™
R-value: 0.10
Indoor Air Quality: CRI Green Label Plus-certified
Flammability: Passes
Impact Insulation Class (IIC): 70
ΔIIC: 20
Sound Transmission Class (STC): 66
Warranty: Limited Warranty
  • IIC: ASTM E492-09 / ASTM E989-06
  • ΔIIC: ASTM E2179-03
  • STC: ASTM E90 / ASTM E413-10