Knauf Insulation Earthwool Batts and Bradford Black Batts are commonly used for insulation in Australia. But which one is right for you? Well, we at Cosywrap always recommend Bradford Batts because they are not just better but also more environmentally friendly.Homes require insulation to help create comfortable indoor spaces so you can relax. More importantly, reducing energy waste is a vital advantage of insulation that we all benefit from collectively. The added improved acoustic quality created due to the use of Bradford Black Batts takes your indoor comfort one step further.