Civil Technology Woodworking Gr. 11 T4 W4.

Ceilings are installed beneath the roofing timber for aesthetic reasons- to conceal the unsightly timber
and lead and lend an attractive appearance to the room. They also prevent dust falling from the roof
structure and serve to insulate sound between rooms. A variety of materials for ceiling construction is
available on the market. However, the material and accessories supplied by various manufacturers
may differ as to measurements and composition