Knauf APR Acoustic Partition Roll Insulation 600mm Wide Earthwool has effective sound absorption and insulation qualities. The flexible glass mineral wool quilt is lightweight and eco-friendly and poses no known threat to the environment. It is easy to install as it push fits between studs. It is easy to cut and can be customized to your desired size. It is odorless, rot proof and will not encourage the growth of fungi, mould or bacteria. For long term storage, ensure the product is indoors or under cover and off the ground. For full insulation needs, use our Polystyrene Sheets and place inside walls and ceilings. Dimension: 11.1m x (4 x 0.6m) x 25mm  This roll is available in the following thicknesses: 25mm  50mm 75mm  100mm