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Gypsum board, also known as drywall, plasterboard, or wallboard, is a construction material made from gypsum, a naturally occurring mineral. It is widely used for interior walls and ceilings.

Composition

• Core Material: Gypsum (calcium sulfate dihydrate)
• Facings: Typically covered with a layer of heavy paper or fiberglass mat on both sides.

Types

1. Regular Gypsum Board: Standard board used for interior walls and ceilings.
2. Moisture-Resistant Board: Designed for areas with high humidity (e.g., bathrooms, kitchens).
3. Fire-Resistant Board: Contains additives to improve fire resistance.
4. Soundproof Board: Enhanced sound-dampening properties for noise control.
5. Flexible Board: Used for curved surfaces or designs.

Sizes

• Common dimensions: 4 feet by 8 feet (1.2 m x 2.4 m), but can come in larger sizes.
• Thicknesses: Generally available in 1/4", 1/2", and 5/8".

Installation

• Framing: Mounted on wooden or metal studs.
• Fastening: Attached using screws or nails.
• Finishing: Joints are typically taped and mudded for a smooth surface.

Benefits

• Cost-Effective: Generally cheaper than traditional plaster.
• Easy to Install: Quick installation process compared to traditional methods.
• Versatile: Can be painted, wallpapered, or finished in various ways.
• Fire Resistant: Many types offer fire resistance, contributing to safety.

Environmental Impact

• Gypsum is a natural material, and many manufacturers focus on sustainable practices, including recycling and reduced emissions.

Common Uses

• Interior walls and ceilings in residential and commercial buildings.
• Partitions, accent walls, and decorative features.

Maintenance

• Easy to repair with joint compound for minor damage like dents or holes.