Which material is typically used to create vinyl siding?

Vinyl siding is predominantly made from polyvinyl chloride (PVC), which is a type of plastic. PVC is favored for its durability, weather resistance, and low maintenance requirements, making it an ideal choice for exterior applications like siding. Unlike other materials, PVC retains its shape and color over time, and it is resistant to cracking and fading due to environmental factors.

Polyethylene, although it has some similar applications in outdoor products, does not provide the same level of durability and rigidity required for siding. Polyester may be used in other contexts such as textiles or coatings but is not suitable for siding. Polypropylene is also a type of plastic but is generally used for applications such as packaging and containers rather than building materials like siding. Thus, polyvinyl chloride stands out as the most appropriate and widely utilized material for vinyl siding.