Principles of plastering 1 What is plastering? Plastering is the process of covering rough surfaces of walls, columns, ceilings and other building components with thin coat of mortars to form a smooth durable surface. The coating of mortar is termed as plaster. Plastering is done to achieve the following objects: To protect the external surfaces against penetration of rainwater and other atmospheric agencies. To give smooth surface in which dust and dirt cannot lodge. To give decorative effect. To protect surfaces against vermin. To conceal inferior materials or defective workmanship. 2 Requirements of good plaster The plaster material should fulfill the following requirements: It should adhere to the background, and should remain adhered during all variations in seasons and other atmospheric conditions. It should be hard and durable. It should possess good workability. It should be possible to apply it during all...
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