The Knauf Loft Roll Insulation 44 Earthwool Combi-Cut is a lightweight, non-combustible, and durable glass mineral wool quilt with a low density. This product is used to insulate loft floors and conversions, but it can also be used to insulate floors. The low-density glass mineral quilt is simple to handle and mount, and it can also be cut to suit your specific needs. It is usually laid in two layers for full functionality. For long term storage, this product should be kept indoors or under cover and off the ground. Dimension: 12.18m x 1.14m x 100mm This roll is available in the following thicknesses: 100mm  150mm 200mm