Which of the following is NOT a recommended description for hardboard siding?

Hardboard siding is specifically made from wood fibers and resin, which are compressed to create a dense material. It is commonly recognized for its durability and low cost. The recommended descriptions for hardboard siding typically include terms that accurately reflect its manufactured nature and design.

Plywood is not an appropriate description for hardboard siding because plywood is constructed by gluing together thin layers or "plies" of wood veneer, making it a different type of material with distinct properties and uses. Hardboard, on the other hand, is not layered like plywood; instead, it results from a different manufacturing process that compresses wood fibers into sheets.

Composite wood refers broadly to materials made from wood fibers combined with plastic or other materials, which does share some characteristics with hardboard siding but does not quite capture the specific composition of hardboard itself. Horizontal lap siding is a common design style for various siding materials, including hardboard, emphasizing the method of installation rather than the material type. Wood shingles are another siding style, typically made from solid wood, and therefore are not relevant to a discussion about hardboard.

In summary, the choice describing plywood does not accurately represent hardboard siding, making it the correct answer to the question.