Blockboard, laminboard, and battenboard are engineered panel constructions where a core of solid wood strips or battens is sandwiched between veneer faces — a structure that provides dimensional stability for furniture, cabinetry, and door manufacturing. Unlike standard plywood, the core elements are not thin veneers but thicker solid-wood strips, which affects both structural performance and classification. Trade professionals should confirm that the panel's core construction meets the specific definition for these product types, as misclassification against standard plywood headings is a recurring CBP audit issue.

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