A glass mineral wool roll providing thermal performance and acoustic benefits in timber frame walls. Product Features and Benefits Achieves a Euroclass A1 Reaction to Fire classification, according to BS EN 13501-1 Thermal conductivity of 0.032 to 0.043 W/m.K Helps to reduce heat loss within the building envelope and decrease energy costs Reduces unwanted noise from external sources helping to improve the acoustic comfort of those living within the building* The roll and batts are sized to fit between standard timber studs with no need for additional fixings Non-combustible