The MF15 Nuts and Bolts are to be used in conjunction with MF ceilings. The nuts and bolts are the recommended fixings for attaching the metal framework of MF ceilings. 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.