Plaster is a building material used for the protective or decorative coating of walls and ceilings and for moulding and casting decorative elements. In english, “plaster” usually means a material used for the interiors of buildings, while “render” commonly refers to external applications.
What Does Plaster Do?
In construction, plaster is a material used for coating walls and ceilings. Plaster is manufactured as a dry powder and is mixed with water to form a paste when used.
It is applied wet and hardens to a smooth, durable surface. Plaster has been used as a construction material for thousands of years.
The Egyptians and the Romans used plaster to create decorative wall murals and sculptures. In modern times, plaster is used to create smooth, level surfaces on walls and ceilings.
It can also be used to create decorative features such as cornices, moldings, and fireplace surrounds. Plaster is composed of Portland cement, lime, sand, water, and other additives.
The Portland cement and lime act as binding agents, while the sand and water help to form the plaster paste. When mixed with water, the plaster paste forms a slurry that can be applied to walls and ceilings.
The plaster hardens as it dries, creating a smooth, durable surface. Plaster can be applied directly to masonry surfaces or it can be applied over a layer of paper or metal lath.
Masonry surfaces must be clean, dry, and free of loose mortar before plaster can be applied. Paper or