What is Plaster?

Plaster is a gypsum, lime, or cement-based material applied to walls and ceilings to create smooth, durable, and protective surface finishes in construction projects.

Definition

A plaster is a soft, readily workable, pasted material which is produced from gypsum, lime, or cement and solidifies in a very short period after its application. The plaster is applied to the concrete or brick wall in a thin layer to smooth the wall surface, protect it from damage, and keep the wall clean and tidy.

Purpose

Plaster is used to protect wall surfaces and give them a smooth, even finish. It also helps improve durability and can add resistance against moisture and minor surface damage.

Examples of Use

Wall finishing: Applied on interior and exterior walls to create an even, smooth base for painting and decoration.
Ceilings: Applied to ceilings to provide a clean, uniform finish.
Decorative Work: Used in moldings, cornices, and other architectural details.
Repair work: Helps in repairing cracks, dents, and mismatched spots on an existing wall.

Related Terms

Fiberglass

:

Fiberglass is a lightweight material that's made from glass fibers and resin that forms a strong, durable composite resistant to moisture and corrosion.

Polyvinyl Chloride (PVC)

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Polyvinyl chloride, also known as PVC, is a widely used synthetic thermoplastic polymer made from salt and oil/gas and is known for its durability.

ACM (Asbestos-Containing Material)

:

Asbestos-Containing Material, also known as ACM, refers to any type of material or product that contains more than 1% asbestos by weight.

Notes

Plaster becomes hard after it’s applied, either by drying out or through a chemical reaction.
It can be put on surfaces by hand or with machines, depending on the size and type of project.

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