The MF7 Plasterboard Main Support Channel is for use with the metal ceiling systems. The MF7 Main Support Channel creates the main framework of the suspended ceiling. The MF Suspended System plaster board ceilings are ideal for commercial and domestic applications. MF ceiling height may be adjusted to accommodate ducting or other services whilst still providing sound insulation and fire protection. Tin strips and mineral wool can also be incorporated for thermal or acoustic insulation. Its acoustic performances can be improved by using Acoustic Hangers. MF ceiling creates a seamless surface suitable to receive most decorative finishes. It is able to be directly decorated or it can have a textured finish. It fits together easily, making the ceiling plasterboard suitable for fixing all types of plasterboard.