Earthwool Acoustic Batts



Knauf Earthwool Ceiling Insulation is super-soft glasswool, made from recyled glass bottles. Installing Earthwool Insulation helps to reduce home energy costs. Acoustic wall insulation is specially designed to limit the transmission of outside noise into the home and between rooms. Available in a range of R-Values and popular stud widths. Select your stud / joist width and then choose an R-Value to see actual price and product information.

Minimum purchase of 5




Knauf Earthwool Insulation Batts

Soft Touch Insulation

It isn’t difficult to recommend Knauf Earthwool roof batts – it is considered to be the softest and least itchy of all the popular glasswool insulation brand, and is backed by a 50 year warranty. Available in R-Values from R2.5 and all the way through to R6.0, you can be certain that there is an R-Value in the Earthwool ceiling insulation range to suit your home wherever you should happen to live.

Why Are Earthwool Insulation Bags so Heavy?

If you’re used to working with glasswool roof insulation but are installing Earthwool for the first time, you may be excused for thinking that the bag is water-logged. The compact bags can weigh up to 18kg. One bag of Knauff Earthwool roof insulation contains up to twice the square metres of insulation. Earthwool batts are definately the way to do!

Knauf Earthwool Insulation Batts – Don’t Miss the Itch!

Knauf’s Earthwool brand has been blessed with a catchy slogans. the Feel Good Insulation and ‘Don’t Miss the Itch’. Insulation installers won’t recognise Earthwool batts as a glasswool product, it’s soft to touch and barely itchy at all. Any discomfort from handling the insulation is simply caused by the soft ends of the fibres rubbing against your skin. A quick cold water rinse should suffice to remove the minor discomfort.

Knauf Earthwool Soundshield Wall Insulation Batts


  • Sound absorbing
  • High thermal performance – year round comfort
  • Non-combustible
  • Saves energy – lower energy bills
  • No added formaldehyde
  • Soft to handle and install
  • 50 year warranty
  • Compression packed – more product per pack
  • Odourless.


The Knauf Earthwool Soundshield Acoustic Insulation Wall batt 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 Earthwool Internal Acoustic  Insulation Wall batts 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. Super-soft to handle and install, Earthwool® is made using up to 80% recycled glass and with ECOSE® Technology, a sustainable, bio-based binder that contains no added formaldehyde.


Product Type Batt
Facing Type Unfaced


Renovation or New Building Renovation & New Building
Building Type Residential & Commercial

Soundproofing Products Australia online store sells a wide range of thermal and acoustic insulation products. We also sell Mass Loaded VinylNuwrap Pipe Lagging InsulationPolyester InsulationFibertex Rockwool, Knauf Earthwool, Fletchers Pink Batts, and Bradford Acoustic Batts.

If you have any questions or require a particular delivery quotation, don’t hesitate to Contact Us! You can also get a free obligation quoteCheck out other insulation supplies in Soundproofing Products Australia

For additional information about the warranty, delivery, and returns.

Additional information

Thermal R Value

R1.2, R1.3, R1.8, R1.9, R2.0 HD, R2.5 HD, R2.7SHD, R4.0SHD


1160mm x 430mm, 1160mm x 450mm, 1160mm x 580mm, 1160mm x 600mm, 2700mm x 450mm, 2700mm x 600mm