4418.29.80.30 - Flush doors

This HTS category encompasses flush doors constructed from wood or wood-based materials. Flush doors are characterized by their flat, smooth surfaces, lacking any applied decorative panels or stiles and rails that create a raised or recessed effect. They are typically manufactured with a solid or hollow core, covered by veneer or other surface materials. These doors are commonly used in residential, commercial, and industrial building applications for interior and exterior doorways.

Within the broader classification of "Doors and their frames and thresholds," this specific subheading distinguishes itself from other "Other" categories by its focus on the flush construction type. While other subcategories might cover doors with more elaborate designs, paneling, or specialized features, this HTS code specifically isolates the simpler, flat-surfaced flush door. The "Other" designation at this level signifies that these flush doors are not further categorized by specific material composition (e.g., entirely solid wood) or by unique construction methods beyond the flush design itself.

As this is a leaf node, there are no further subcategories. Therefore, the primary classification criteria to consider when assigning goods to 4418.29.80.30 are the absence of decorative panels, stiles, and rails, resulting in a continuous, flat surface, and their intended use as doors in building construction. The material composition, while predominantly wood or wood-based, may include various core types (solid, hollow, honeycomb) and surface finishes, provided the overall construction adheres to the "flush" design principle.