Requirements of Good Plaster

1. It should adhere to the background and should remain adhered during all climatic changes.
2. It should be cheap and economical.
3. It should be hard and durable.
4. It should be possible to apply it during all weather conditions.
5. It should effectively check the entry or penetration of moisture from the surfaces.
6. It should possess good workability.

Objective of plastering

1. To provide an even, smooth, regular, clean and durable finished surface with improved appearance.
2. To conceal defective workmanship.
3. To preserve and protect the surface.
4. To provide a base for the decorative finish.
5. To cover up the use of inferior quality and porous materials of the masonry work.