Siding is a material used to cover the exterior of a building, providing protection from weather elements and enhancing its appearance. Common types of siding include wood, vinyl, fiber cement, and metal. Each type has its own benefits, such as durability, maintenance requirements, and insulation properties. Installing siding can improve a home's energy efficiency and increase its value. Proper installation is crucial to prevent issues like moisture damage and pests. Homeowners often choose siding based on factors like cost, aesthetics, and climate, making it an important aspect of residential construction and renovation.