Plastering compounds are materials used to create a smooth surface on walls and ceilings. They are typically made from a mixture of gypsum, lime, or cement, and are applied in layers to fill in imperfections and provide a finished look. These compounds can be used for both interior and exterior surfaces, making them versatile for various construction and renovation projects. There are different types of plastering compounds, including joint compound, veneer plaster, and stucco. Each type serves a specific purpose, such as repairing drywall or providing a decorative finish. Proper application techniques are essential for achieving a durable and aesthetically pleasing result.