Section 09 Wood and articles of wood; wood charcoal; cork and articles of cork; manufactures of straw, of esparto or of other plaiting materials; basketware and wickerwork 44 Wood and articles of wood; wood charcoal 44 18 Builders' joinery and carpentry of wood, including cellular wood panels, assembled flooring panels, shingles and shakes Commodity Code Description 44 18 11 -- Of tropical wood 44 18 19 -- Other 44 18 20 Doors and their frames and thresholds 44 18 21 -- Of tropical wood 44 18 29 -- Other 44 18 30 - Posts and beams other than products of subheadings 4418.81 to 4418.89 44 18 40 - Shuttering for concrete constructional work 44 18 50 - - - Shingles 44 18 73 -- Of bamboo or with at least the top layer(wear layer) of bamboo 44 18 74 - -Other for mosaic floors 44 18 75 - - Other, multilayer 44 18 79 - - - Parquet panels 44 18 81 -- Glue-laminated timber (glulam) 44 18 82 -- Cross-laminated timber (CLT or X-lam) 44 18 83 -- I beams 44 18 89 -- Other 44 18 91 - - Of bamboo 44 18 92 -- Cellular wood panels 44 18 99 - - - Other