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celluzorbe hd backer board sheet

CelluZorbe™ HD Backer Board - 24" x 48"

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CelluZorbe™ HD Backer Board is a budget-friendly panel rated for both STC and NRC. This recycled material is environmentally conscious and perfect for applications needing both soundproofing and sound absorption.

Bulk discounts available. Save per panel at 14 and 28 panels.
$59.99
Covers 8.0 SF
$59.99

CelluZorbe™ HD Backer Board - 24" x 48"

CelluZorbe™ HD Backer Board is the most cost-effective and eco-friendly way to supercharge an existing barrier by adding both STC and NRC. Combine the backer board with drywall or wood to build a silencer box, or place behind artwork or pictures to increase the sound blocking and sound absorption.

 

Features

  • Easy to install to wood or drywall with adhesive
  • Great acoustical backer to block sound (STC 15) and absorb sound (NRC: 0.50)
  • Made from recycled cellulose fibers that don't itch
  • Class A Fire Rated
  • Eligible for LEED credits

 

Specs 

 Dimensions 

 24" x 48" 
 Thickness   Nominal 1/2" 
 Weight   4.25 lbs
 R-Value   3.8 per inch
 Color  Natural
 Cuttable   Yes, in the field or in our shop 
 Itch & Irritation   None

 

 

Resources

 Spec Sheet   CelluZorbe™ HD Backer Board Product Sheet 

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Material Testing

Sound Transmission Class (STC)

 Frequency (Hz)  125   250   500   1000   2000   4000   STC 
 1/2" Celluzorbe™ HD Backer Board   12  14 13 14 17 21 15

 

Noise Reduction Coefficient (NRC)

 Frequency (Hz)  125   250   500   1000   2000   4000   NRC 
 1/2" Celluzorbe™ HD Backer Board   0.05   0.09   0.33   0.64   0.87   1.01   0.50 

 

 Tested Properties   Testing Method   Performance 
 Fire Rating   ASTM E84  Class A
 Thermal Resistance   ASTM C518  R-Value: 3.8 per inch 
 Corrosion Resistance   ASTM C739  Pass
 Fungal Resistance   ASTM C1338  Pass
 Moisture Absorption   ASTM C739  Pass
 Low VOC   ASTM V1.2  Pass

 

 


Installation Instructions

  • Cut to size with utility knife and T-square or table saw. 
  • Adhere to substrate with P329 Spray Adhesive.
  • Replace ceiling tile in drop ceiling grid.

 

 

Common Product Uses

  • Excellent for acoustical backer with soundproofing properties.
  • Budget friendly and environmentally friendly dual benefit acoustic and soundproof panels.
  • Use to build a silencer box with plywood or similar material.
  • Use behind front layer of absorption, like with wood wool sound absorption panels.

 

Contact us if you have any questions!