Glasswool - Knauf Insulation Acoustic

Knauf Insulation Acoustic


  • TwinTech® - smooth finish on both sides
  • Sound absorbing
  • Non-combustible
  • No added formaldehyde
  • Soft to handle and install
  • 50 year warranty
  • Compression packed - more product per pack
  • Odourless.

Product Description

The Knauf Insulation Acoustic range includes a selection of densities to provide builders, designers, installers and DIYers the opportunity to choose the best acoustic performance for their project. Knauf Insulation Acoustic products will improve the acoustic performance of the building in which they have been installed by absorbing the transfer of unwanted sound from external sources and between adjoining rooms.

The super-soft and easy to handle benefits of Knauf Insulation glasswool have been further enhanced with TwinTech®. TwinTech® heralds another advancement insulation manufacture - the dual forming technique ensures there is a smooth finish on both sides of the insulation, which improves product handling and appearance. Knauf Insulation glasswool is made using up to 80% recycled glass and with ECOSE® Technology, a sustainable, bio-based binder that contains no added formaldehyde.


Product TypeBatt
Facing TypeUnfaced


Renovation or New BuildingRenovation & New Building
Building TypeResidential & Commercial

Product Range


Material CodeApplicationEst. R-Value (m²K/W)Density (kg/m³)Thickness (mm)Width (mm)Length (mm)Pieces per packArea per pack (m²)
690939Metal frame (Acoustic Roll)0.72425600 (per roll)18900222.7
683685Timber frame (Acoustic Batt)1.3145043011603819.0
683635Timber frame (Acoustic Batt)1.2115058011604026.9
691126Metal frame (Acoustic Roll)1.53250600 (per roll)720028.6
683636Metal frame (Acoustic Batt)1.211506002700 (folded)2032.4
683715Metal frame (Acoustic Roll)1.21150450 (per roll)21000218.9
683680Metal frame (Acoustic Batt)1.3145045011603819.8
683681Metal frame (Acoustic Batt)1.3145060011603826.5
683637Metal frame (Acoustic Batt)1.211504502700 (folded)2024.3
683684Metal frame (Acoustic Batt)1.811756002700 (folded)1422.7
707764Metal frame (Acoustic Roll)1.81175450 (per roll)11600210.4
683638Metal frame (Acoustic Batt)1.811754502700 (folded)1417.0
691115Metal frame (Acoustic Roll)2.23275600 (per roll)480025.8
691124Metal frame (Acoustic Roll)2.12475600 (per roll)620027.4
690941Metal frame (Acoustic Roll)1.81175600 (per roll)11600213.9
683683Metal frame (Acoustic Batt)1.9147560011602416.7
683682Metal frame (Acoustic Batt)1.9147545011602412.5
683690Timber frame (Acoustic Batt)1.9147558011602416.2
683691Timber frame (Acoustic Batt)1.9147543011602412.0
683639Timber frame (Acoustic Batt)1.8117543011602814.0
690964Metal frame (Acoustic Roll)2.21190600 (per roll)11600213.9
691119Metal frame (Acoustic Roll)2.31490600 (per roll)9100210.9
691117Metal frame (Acoustic Roll)2.52490600 (per roll)530026.4
683716Metal frame (Acoustic Roll)2.73290450 (per roll)400023.6
690962Metal frame (Acoustic Roll)2.73290600 (per roll)400024.8
691122Metal frame (Acoustic Roll)3.032100600 (per roll)360024.3
683672Metal frame (Acoustic Batt)2.51111060011602013.9

All dimensions are nominal.



Fire Hazard PropertiesAS/NZ 1530.3Ignitability: 0, Spread of Flame: 0, Heat Evolved: 0, Smoke Developed: 0-1.
Water Vapour Absorption-Less than 5% by weight
Microbial Growth-Does not support microbial growth
Corrosion Resistance-No greater than sterile cotton
CombustibilityAS 1530.1Non-combustible


GreenTag Level A Certification
Download PDF
EUCEB (UK plant)
Download PDF
Eurofins (Unfaced Glass Mineral wool)
Download PDF
CodeMark (Earthwool)
Download PDF
Download DOCX
Download DOCX
Download PDF