Soundboard plasterboard ranges in price depending on the dimensions and the manufacturer. It is generally marginally cheaper than fire-rated plasterboard but this does depend on the size. Here at Materials Market, we offer competitive prices on big-name brands such as Knauf Tapered Edge Gypsum Plasterboard, and Gyproc Tapered Edge Gypsum Plasterboard. Even though acoustic plasterboard costs more than normal plasterboard, it is worth buying if you are concerned about noise levels from neighbours or would just like the peace of mind that comes from knowing you will be able to sleep quietly.