Glasswool R3.1 High Density Batts. Dimensions 1160 X 580X 110mm. 5 batts per pack. 3.4m2 in pack. Covers approx 3.8m2 when installed. Australian Made, premium quality Glasswool Batts specifically designed to meet Australian Standards and to maintain a comfortable living environment within Australian homes, reducing heat transfer by up to 70% when correctly instlled. This product meets the BCA requirements and Australian fire standard AS1530.1. It contains approximately 80% recycled materials and is classified as Bio Soluble and non hazardous