Wood structural panel siding is most commonly made from which material?

Wood structural panel siding is most commonly made from plywood. This is primarily due to its suitability for various exterior applications, including siding. Plywood is made up of layers of thin wood veneers glued together, which provides strength, stability, and durability, making it an ideal choice for siding materials that must withstand varying weather conditions.

Plywood is also favored because it can be manufactured in large sheets, allowing for ease of installation and a more uniform appearance. Additionally, it is relatively lightweight compared to other materials, making it more manageable during construction.

Other materials like vinyl, fiber cement, and composite materials have their own specific applications and advantages, but they are not typically classified as wood structural panel siding. Vinyl is plastic-based, fiber cement often contains a mix of cement and cellulose fibers, and composite materials can vary widely in composition but generally do not include wood-based components like plywood.