Walls are an open gate to the outside world letting heat and noise travel through them with ease.

You can lose up to 25% of the heat in your home through the external walls in winter and around the same amount of heat can enter in through the walls during summer. Insulation essentially acts as a barrier to slow down this process and makes a substantial difference to the temperature you will feel inside, meaning you can live more comfortably and spend less on energy. Information on Bradford and Knauf Earthwool is below. For further information or advice on a particular application, contact your nearest Consolidated Energy office.



Bradford Wall Insulation

Bradford wall batts are available in R-Values from R1.5 – R2.5. Manufactured from glasswool, the batts are specially stiffened and treated to provide a moisture resistant insulation that meets the Building Code of Australia’s minimum requirements for energy efficiency in homes. The glasswool used is made up of very thin glass fibres that are spun like fairy floss to create millions of air pockets. These air pockets are very poor conductors of heat and resist the flow of air or radiation through the insulation. Bradford insulation for walls can reduce energy used for heating and cooling by up to 20% leading to a decrease in your energy consumption and in your energy bills.


  • Earthwool Batts are odourless, rot proof, non-hygroscopic, do not sustain vermin and will not encourage the growth of fungi, mould or bacteria.

  • Excellent acoustical properties reduce sound transmission in the home when properly installed in walls, ceiling and floor systems.

  • Low dust for easier handling and increased productivity.

  • Consistent quality materials feel good, cut easily and install fast.

  • Highly resilient insulation recovers quickly to full thickness once out of bag for a snug fit and superior finished aesthetics.

Knauf Earthwool Wall Insulation

The Earthwool® Ceiling Insulation Batt range is a new generation of softer, safer and more environmentally friendly glasswool insulation for your home.

Batts are available in thicknesses to suit 75mm, 90mm and 140mm timber and metal frames. Unlike reflective foil, Earthwool External Wall Batts prevent heat gain in summer and heat loss in winter by countering convection, conduction and radiation.

Earthwool External Wall Batts provide a cost-effective thermal and acoustic barrier for energy-efficient construction. The consistent quality, low dust, and clean-cutting resilient fibres make fabrication easy and installation fast. Earthwool Batts can be used in timber and metal frame applications in residential structures.

Knauf Insulation also offers High Density (HD) and Super High Density (SHD) External Wall Batts with increased density and lower thermal conductivity to maximise energy savings, and DriTherm®, a silicon impregnated insulation product designed specifically for double brick walls.



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