Plasterboard, also known as drywall, is not flammable. It is made of gypsum sandwiched between two layers of paper, which are not combustible materials. However, the paper covering on the plasterboard can burn, so it is important to take precautions to prevent fires and to use fire-resistant materials when necessary. Overall, plasterboard is considered to be a fire-resistant building material. **

Plasterboard is sanded using a sanding block or a pole sander to smooth out any imperfections in the surface. The sanding process typically starts with a coarse grit sandpaper to remove any high spots or rough areas, and then progresses to a finer grit sandpaper to achieve a smooth finish. It is important to wear a dust mask and eye protection while sanding plasterboard to avoid inhaling the fine dust particles. After sanding, the surface should be wiped down with a damp cloth to remove any remaining dust before painting or finishing. **

Plasterboard panels are not inherently moisture-resistant. However, there are moisture-resistant plasterboard panels available on the market that are designed to withstand high humidity and moisture levels. These panels are typically made with additives or special coatings that make them more resistant to moisture, making them suitable for use in areas such as bathrooms and kitchens. It is important to check the specifications of the plasterboard panels to ensure they are suitable for the specific moisture conditions of the intended application. **

A plasterboard shell is a construction technique where plasterboard is used to create the outer layer of a building's interior walls and ceilings. It involves fixing large sheets of plasterboard to the structural framework of the building to create a smooth and even surface. This technique is commonly used in modern construction as it is quick, cost-effective, and provides a clean finish for painting or wallpapering. The plasterboard shell also helps to improve the insulation and soundproofing of the building. **

Moist plasterboard refers to a type of gypsum board that has been specifically designed to be resistant to moisture and humidity. It is commonly used in areas of a building that are prone to moisture, such as bathrooms, kitchens, and basements. Moist plasterboard is typically made with a water-resistant core and a special facing material that helps to prevent water damage and mold growth. This type of plasterboard is essential for maintaining the structural integrity and safety of a building in areas where moisture is a concern. **

Plasterboard walls are a common type of interior wall construction. They are made of gypsum plaster sandwiched between layers of paper and are known for their smooth finish and ease of installation. However, they are not as durable as other types of walls and can be easily damaged by impact or moisture. It's important to handle them carefully and avoid excessive moisture to prevent damage. If you have concerns about your plasterboard wall, it's best to consult with a professional to assess the situation and determine the best course of action. **

A recessed downlight typically requires a minimum of 30mm of space between the plasterboard and the ceiling to allow for proper ventilation and heat dissipation. This space is necessary to prevent the downlight from overheating and potentially causing a fire hazard. It is important to follow the manufacturer's guidelines for installation to ensure the downlight functions safely and effectively. **

The choice between OSB (oriented strand board) and plasterboard depends on the specific needs of the project. OSB is known for its strength and durability, making it a good choice for structural applications. Plasterboard, on the other hand, is lighter and easier to work with, making it a popular choice for interior wall and ceiling finishes. Ultimately, the decision between OSB and plasterboard should be based on factors such as budget, project requirements, and personal preferences. **