Knauf Insulation Loft Roll 44 Combi-Cut is a flexible and low-density glass mineral wool roll that is specifically designed to be used in colder lofts where the pitched roofs are to be insulated at ceiling level. When used at ceiling level it is advised that you lay in two layers, with the first layer between the joists and the second layer over, and at right angles to the joists.
This product offers fantastic thermal performance whilst being lightweight, flexible, and resilient Importantly it also features the best possible Euroclass A1 reaction to fire classification.