--- title: Envirocoustic Wood Wool Composite --- [![Acoustical Surfaces Logo](https://soundproofing.acousticalsurfaces.com/hubfs/AcousticalSurfacesLogo.png)](https://www.acousticalsurfaces.com) Noise Control Help Line: 1-800-854-2948  M - F 8 a.m. - 5 p.m. (Central Time) Acoustical Surfaces, Inc. Sound Proofing | Acoustics | Noise & Vibration Control [What's Your Noise Problem?](https://soundproofing.acousticalsurfaces.com/whats-your-problem) [menu](https://soundproofing.acousticalsurfaces.com/ty-envirocousticww-composite#menu) # Envirocoustic Wood Wool Backfill Product Data Sheets | Type | Product Family | Product | Installation Method | Application | Download / Preview | | --- | --- | --- | --- | --- | --- | | Data Sheet | Envirocoustic Wood Wool | | | | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/Wood%20Wool%20Backfill%20Data%20Sheet%202026%20V2.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/Wood%20Wool%20Backfill%20Data%20Sheet%202026%20V2.pdf) | Installation Instructions | Type | Product Family | Product | Installation Method | Application | Download / Preview | | --- | --- | --- | --- | --- | --- | | Installation Instructions | Envirocoustic Wood Wool | Composite | Direct-attach | Ceiling | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_DirectAttach_Install_Ceiling.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_DirectAttach_Install_Ceiling.pdf) | | Installation Instructions | Envirocoustic Wood Wool | Composite | Direct-attach | Wall | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_DirectAttach_Install_Wall.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_DirectAttach_Install_Wall.pdf) | | Installation Instructions | Envirocoustic Wood Wool | Composite | Direct-attach | High Humidity | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_HighHumidity_Install.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_HighHumidity_Install.pdf) | CSI Specifications | Type | Product Family | Product | Installation Method | Application | Download / Preview | | --- | --- | --- | --- | --- | --- | | CSI Specification | Envirocoustic Wood Wool | Composite | | Ceiling | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_Backfill_CSISpec_Ceiling_072025%20updated%2010-29-26.docx) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_Backfill_CSISpec_Ceiling_072025%20updated%2010-29-26.docx) | | CSI Specification | Envirocoustic Wood Wool | Composite | | Wall | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_Backfill_CSISpec_Wall_072025%20updated%2010-29-26.docx) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_Backfill_CSISpec_Wall_072025%20updated%2010-29-26.docx) | Acoustical Tests | Type | Application | Thickness | Mounting | Acoustical Backer | Testing Std | Results | Download Preview | | --- | --- | --- | --- | --- | --- | --- | --- | | Absorption | Ceiling or Wall | 2" | C-25 | 1" CFAB Backer | ASTM C423 | NRC - 0.80 | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/EWW-CMount-1-1CFABBacker%20Rev-4.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/EWW-CMount-1-1CFABBacker%20Rev-4.pdf) | | Absorption | Ceiling or Wall | 2-3/8” | C-25 | 1" CFAB Backer | ASTM C423 | NRC - 0.80 | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/EWW-CMount-138-1CFABBacker%20Rev-Oct-09-2024-04-52-20-8709-PM.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/EWW-CMount-138-1CFABBacker%20Rev-Oct-09-2024-04-52-20-8709-PM.pdf) | | Absorption | Ceiling or Wall | 3" | C-25 | 1" CFAB Backer | ASTM C423 | NRC - 0.90 | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/EWW-CMount-2-1CFABBacker%20Rev-2.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/EWW-CMount-2-1CFABBacker%20Rev-2.pdf) | Fire Tests | Type | Application | Thickness | Finish | Acoustical Backer | Testing Std | Results | Download Preview | | --- | --- | --- | --- | --- | --- | --- | --- | | Surface Burning | Ceiling or Wall | 1" | Primed Clear | N/A | ASTM E84 | Class A | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/E841InchClear030918%20Rev-3.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/E841InchClear030918%20Rev-3.pdf) | | Surface Burning | Ceiling or Wall | 1" | Primed White | N/A | ASTM E84 | Class A | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/E841InchWhite030918%20Rev-4.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/E841InchWhite030918%20Rev-4.pdf) | | Surface Burning | Ceiling or Wall | 1-3/8" | Primed Clear | N/A | ASTM E84 | Class A | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/E84138InchClear030918%20Rev-4.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/E84138InchClear030918%20Rev-4.pdf) | | Surface Burning | Ceiling or Wall | 1-3/8" | Primed White | N/A | ASTM E84 | Class A | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/E84138InchWhite030918%20Rev-5.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/E84138InchWhite030918%20Rev-5.pdf) | | Surface Burning | Ceiling or Wall | 2" | Primed Clear | N/A | ASTM E84 | Class A | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/E842InchClear032818%20Rev-5.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/E842InchClear032818%20Rev-5.pdf) | | Room Fire Growth | Ceiling or Wall | 1" | Primed Clear | 2" CFAB | NFPA 286 | Passed | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/NFPA%20286%20Envirocoustic%20Wood%20Wool-5.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/NFPA%20286%20Envirocoustic%20Wood%20Wool-5.pdf) | Properties Tests | Type | Application | Thickness | Finish | Acoustical Backer | Testing Std | Results | Download Preview | | --- | --- | --- | --- | --- | --- | --- | --- | | Light Reflectance | Ceiling or Wall | N/A | Primed White | N/A | ASTM E1477 | 76 | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_WoodWool_Test_LightReflectance_StockWhite.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_WoodWool_Test_LightReflectance_StockWhite.pdf) | | VOC | Ceiling or Wall | 1" | Unpainted | N/A | CDPH Standard Method V1.2-2017 | Pass | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/CDPH%20V1.2-2017%20EWW%20VOC%20Test-4.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/CDPH%20V1.2-2017%20EWW%20VOC%20Test-4.pdf) | | Fungal Growth | Ceiling or Wall | N/A | Unpainted / Painted | N/A | ASTM D3273 | 100% clear of fungal growth | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/Envirocoustic%20Wood%20Wool%20Fungal%20Test%20ASTM%20D3273-5.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/Envirocoustic%20Wood%20Wool%20Fungal%20Test%20ASTM%20D3273-5.pdf) | | Mold Resistance | Ceiling or Wall | N/A | Unpainted / Painted | N/A | Based on Greenguard Microbial Growth Test | Highly resistant to mold growth | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/Envirocoustic%20Wood%20Wool%20Mold%20Resistant%20Greenguard-5.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/Envirocoustic%20Wood%20Wool%20Mold%20Resistant%20Greenguard-5.pdf) | CAD / BIM / Revit | Type | Product Family | Product | Installation Method | Application | Download / Preview | | --- | --- | --- | --- | --- | --- | | Standard Details | Envirocoustic Wood Wool | Composite | Direct-attach | Ceiling | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_DirectAttach_DetailBook_Ceiling-3.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_DirectAttach_DetailBook_Ceiling-3.pdf) | | Standard Details | Envirocoustic Wood Wool | Composite | Direct-attach | Wall | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_DirectAttach_DetailBook_Wall-3.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_DirectAttach_DetailBook_Wall-3.pdf) | Additional Resources | Type | Product Family | Product | Installation Method | Application | Download / Preview | | --- | --- | --- | --- | --- | --- | | Cleaning and Maintenance Instructions | Envirocoustic Wood Wool | | | | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_CleaningMaintenanceInstructions.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_CleaningMaintenanceInstructions.pdf) | | Field Painting Instructions | Envirocoustic Wood Wool | | | | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_FieldPaintingInstructions.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_FieldPaintingInstructions.pdf) | | Safety Data Sheet (SDS) | Envirocoustic Wood Wool | Composite | | Ceiling or Wall | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_SDS.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_SDS.pdf) | | Warranty | Envirocoustic Wood Wool | | | | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/ASI%20Envirocoustic%20Wood%20Wool%20-%2015%20Year%20Warranty-4.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/ASI%20Envirocoustic%20Wood%20Wool%20-%2015%20Year%20Warranty-4.pdf) | | Health Product Declaration (HPD) | Envirocoustic Wood Wool | | | | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_HPD-1.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_HPD-1.pdf) | | LEED Contributions | Envirocoustic Wood Wool | | | | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_LEEDContribution.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/AS_EnvirocousticWoodWool_LEEDContribution.pdf) | | Cradle to Cradle | Envirocoustic Wood Wool | | | | [Preview](https://soundproofing.acousticalsurfaces.com/hubfs/Cradle2Cradle_Ander_Envir_Bronz_CERT1592_2025-06-12_91854.pdf) [Download](https://soundproofing.acousticalsurfaces.com/hubfs/Cradle2Cradle_Ander_Envir_Bronz_CERT1592_2025-06-12_91854.pdf) | © 2022 Acoustical Surfaces, Inc. – All Rights Reserved. 123 Columbia Court North • Suite 201 • Chaska, MN 55318 • Tel: (952)-448-5300 Fax: (952)-448-2613 • 1-(800)-854-2948 • Email: [sales@acousticalsurfaces.com](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=sales@acousticalsurfaces.com) Noise Control Help Line: 1-800-854-2948 Website by [ThomasNet RPM](https://business.thomasnet.com/rpm) | [About 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