Echostop® is a perforated plasterboard designed to create a decorative finish, while providing a high level of sound absorption to the space. It is suitable for full ceiling installation or feature panels on internal walls or ceilings. Created for sound absorption treatment, Echostop® is available in 5 stylish designs with either slotted, square or round perforations to suit multiple design applications. Echostop® contains 10% recycled gypsum and is encased in a 100% recycled paper. The back of Echostop® has a black acoustic fabric.