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Acousti-Board Ultra – Soundproofing Backer

Soundproof Board Backer

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

Product Testing & Information

  • Product Data Sheet
  • Installation Instructions
  • CSI Specifications
  • Acoustical Tests
  • Fire Tests
  • Access All

Product Specs

Material

Acoustic sound insulation panel built from 50% pre-consumer recycled synthetic fiber

Features

this soundproof board contributes to leed mrc4.1-4.2 credits

Applications

Acoustic sound insulation panel backer for Wallmate, behind drywall, and other applications

Thickness

1/2" (± 1/16”)

Sizes

2′ x 4′ or 4′ x 8’

Weight

4′ x 8′ sheets = approx 17 lbs
2′ x 4′ sheets = approx 4.25 lbs

Density

13 lb pcf

R-Value

1/2″ thickness = 1.9 hr−ft2−°F/Btu

Flammability

Class A Fire Rating per ASTM E84

Acoustical Performance

NRC Rating per ASTM C423 – 0.50
STC Rating per ASTM E90 – 15

Sound

Sound Transmission Class. (STC) The sound-insulating property of an acoustic insulation board is expressed in terms of the sound transmission loss. (Stand alone soundboard insulation – 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

Mechanical fastener or adhesive

Reverberation Demonstration

Acousti-Board Ultra – Sound Absorption
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