Earthwool Acoustic Roll is designed specifically for sound insulation of residential building elements such as internal walls, internal floors and separating floors, as well as commercial partitions where compliance with acoustic regulations is required Excellent sound absorption properties and easy to install Friction fits between studs ensuring continuity of the absorbent layer with no air gaps Lightweight, flexible, resilient and non-combustible Dimensioned to suit studs and joists at 400mm or 600mm centres Long roll lengths for quick and economic installation Proven results when used with major brands of plasterboard