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Specifications subject to change with out notice.

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quiet floor

ACOUSTI-BOARD™ ULTRA

Soundproofing Backer
  • Economical
  • Recycled “Green” Product
  • Tackable
  • Easy to Install

Click onWord Iconicon to download CSI specifications.

MATERIAL: 50% pre-consumer recycled synthetic fiber
FEATURES: Can contribute to LEED MRc4.1-4.2 credits
APPLICATIONS: Soundproof backer for Wallmate, behind drywall, and other applications
THICKNESS: 0.50″ (± .0625)
SIZES: 2′ x 4′ or 4′ x 8′ panels
WEIGHT: 2700 gm/sq m
4′ x 8′ sheets = approx 17 lbs
2′ x 4′ sheets = approx 4.25 lbs
DENSITY: 13 lbs/ft3
R-VALUE: @0.50″ thickness = 1.9 hr−ft2−°F/Btu
FLAMMABILITY: Meets or exceeds the ASTM E-84-07 parameters for ‘Class A’ Interior Wall & Ceiling Finish Category
SOUND:
Sound Transmission Class. (STC) The sound-insulating property of a partition element is expressed in terms of the sound transmission loss. (Stand alone product – no ceiling or wall assembly) ASTM E90-04, ASTM E413-04 STC = 15.

Noise Reduction Coefficient (NRC) A single number rating obtained by taking the arithmetic average of the absorption coefficients at specified frequencies, rounded to the nearest 0.05.
NRC = 0.50

Sound Absorption Average (SAA) A single number rating obtained by taking the arithmetic average of the one-third octave bands at specified frequencies, rounded to the nearest 0.01.
SAA = 0.49
INSTALLATION: Acoustical Adhesive or mechanical fastener


Acousti-Board Ultra – Sound Asborption
Size Mount 125Hz 250Hz 500Hz 1KHz 2KHz 4KHz NRC
½″ A .05 .12 .32 .69 .83 .87 .50

Acousti-Board Ultra – Sound Transmission Class
Size 125Hz 250Hz 500Hz 1KHz 2KHz 4KHz STC
½″ 12 14 13 14 17 21 15
Acoustical Tests:
  1. Sound Absorption test – (NRC & SAA)
  2. Sound Transmission Loss – (STC)
  3. Sound Absorption Test Fabric Wrapped – (NRC & SAA)
Flammability Test:
  1. Surface Burning characteristics
Material Safety Data Sheet:
  1. MSDS

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