Polyester Block Wall Insulation is an easy to install, itch free polyester roll specifically designed for use between furring spaced channels in commercial blockwall constructions to reduce heat & noise transmission. Polyester is a safe, non toxic, allergy friendly, light weight material that has high tensile strength, robustness & is unaffected by moisture. Higgins Polyester Batts are itch free, contain no Formaldehyde Binders, require no protective clothing to install, making them a safe insulation option for you & your family. Higgins Polyester Block wall blanket insulation also have a Zero Ozone Depleting (ODP) rating, contain negligible Volatile Organic Compounds (VOC’s) and 80% of the fibers that go into Higgins Polyester Batts are recycled from plastic bags & other packaging materials, so they are safer for the planet too. Higgins Polyester also meets the Australian Standard AS/NZS1530.3 for fire safety