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CelluZorbe HD ceiling tile backer

CelluZorbe™ HD Ceiling Tile Backer - 23.75" x 47.75"

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CelluZorbe™ HD Ceiling Tile Backers are 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 ceiling tile backer at 14 and 28 ceiling tile backers.
$59.99
Covers 8.0 SF
$59.99

CelluZorbe™ HD Ceiling Tile Backer - 23.75" x 47.75"

CelluZorbe™ HD Ceiling Tile Backers are the lid your drop ceiling needs to do more than just look good. These backers are designed to lay directly over standard 2’ x 4’ ceiling tiles or acoustic ceiling tiles (ACT), and cut like wood for easy sizing. This high-density cellulose panel blocks sound and absorbs echoes to offer double the sound control—all without changing the look of your ceiling.

 

Features

  • Easy to install and remove on an existing ceiling tile grid
  • Increases sound blocking (STC 15) and sound absorption (NRC: 0.50)
  • Improves thermal insulation above ceiling tiles
  • Made from recycled cellulose fibers that don't itch
  • Class A Fire Rated
  • Eligible for LEED credits

 

Specs 

 Dimensions 

 23.75" x 47.75" (nominal 2' x 4') 
 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 Ceiling Tile Backer 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 Ceiling Tile Backer   12  14 13 14 17 21 15

 

Noise Reduction Coefficient (NRC)

 Frequency (Hz)  125   250   500   1000   2000   4000   NRC 
 1/2" Celluzorbe™ HD Ceiling Tile Backer   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 (if needed) with utility knife and T-square or table saw. 
  • Either lay on back of existing ceiling tile or adhere with spray adhesive (3M Super 77 or comparable). 
  • Replace ceiling tile in drop ceiling grid.

 

 

Common Product Uses

  • Excellent for acoustical backer with soundproofing properties.
  • Best budget friendly and environmentally friendly Dual benefit acoustic and soundproof panels.
  • Can use in your commercial office as a ceiling tile.
  • Use behind front layer of absorption, like with wood wool acoustic ceiling tiles.
  • If you have budget friendly sound absorption needs, consider our CelluZorbe™ Cellulose Acoustic Panel.

 

Contact us if you have any questions!